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<div class="title">QuEST_cpu.c</div>  </div>
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<a href="QuEST__cpu_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// Distributed under MIT licence. See https://github.com/QuEST-Kit/QuEST/blob/master/LICENCE.txt for details </span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor"># include &quot;<a class="code" href="QuEST_8h.html">QuEST.h</a>&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor"># include &quot;<a class="code" href="QuEST__internal_8h.html">QuEST_internal.h</a>&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor"># include &quot;<a class="code" href="QuEST__precision_8h.html">QuEST_precision.h</a>&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor"># include &quot;<a class="code" href="mt19937ar_8h.html">mt19937ar.h</a>&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160; </div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor"># include &quot;<a class="code" href="QuEST__cpu__internal_8h.html">QuEST_cpu_internal.h</a>&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor"># include &lt;math.h&gt;</span>  </div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor"># include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor"># include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor"># include &lt;stdint.h&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor"># include &lt;assert.h&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor"># include &lt;omp.h&gt;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160; </div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"> * overloads for consistent API with GPU </span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160; </div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="group__debug.html#ga11448560006dd165128e404b54ebb2f7">   36</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__debug.html#ga11448560006dd165128e404b54ebb2f7">copyStateToGPU</a>(<a class="code" href="structQureg.html">Qureg</a> qureg) {</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;}</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="group__debug.html#ga924ef2dbda6b733b4041270077c76ece">   39</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__debug.html#ga924ef2dbda6b733b4041270077c76ece">copyStateFromGPU</a>(<a class="code" href="structQureg.html">Qureg</a> qureg) {</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;}</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160; </div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="comment"> * state vector and density matrix operations</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160; </div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a717a0448066831cb5b392bcf2e1d0529">   48</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a717a0448066831cb5b392bcf2e1d0529">densmatr_oneQubitDegradeOffDiagonal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain){</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMask = 1LL &lt;&lt; targetQubit;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMask = 1LL &lt;&lt; (targetQubit + (qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>));</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisPattern;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMask = innerMask|outerMask;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160; </div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="preprocessor">    shared   (innerMask,outerMask,totMask,qureg,retain,numTasks, targetQubit) \</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="preprocessor">    private  (thisTask,thisPattern)</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    {</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++){</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;            thisPattern = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&amp;totMask;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;            <span class="keywordflow">if</span> ((thisPattern==innerMask) || (thisPattern==outerMask)){</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;                <span class="comment">// do dephase</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;                <span class="comment">// the lines below will degrade the off-diagonal terms |..0..&gt;&lt;..1..| and |..1..&gt;&lt;..0..|</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask]; </div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask]; </div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;            } </div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        }  </div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    }</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;}</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160; </div>
<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#aa31f0ef43a921c3ac73545d1d3670fa1">   79</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aa31f0ef43a921c3ac73545d1d3670fa1">densmatr_mixDephasing</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> dephase) {</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-dephase;</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <a class="code" href="QuEST__cpu_8c.html#a717a0448066831cb5b392bcf2e1d0529">densmatr_oneQubitDegradeOffDiagonal</a>(qureg, targetQubit, retain);</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;}</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160; </div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a623e577b7230f3c8dc202be6185b4289">   84</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a623e577b7230f3c8dc202be6185b4289">densmatr_mixTwoQubitDephasing</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> qubit1, <span class="keywordtype">int</span> qubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> dephase) {</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-dephase;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160; </div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMaskQubit1 = 1LL &lt;&lt; qubit1;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMaskQubit1 = 1LL &lt;&lt; (qubit1 + (qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>));</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMaskQubit2 = 1LL &lt;&lt; qubit2;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMaskQubit2 = 1LL &lt;&lt; (qubit2 + (qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>));</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMaskQubit1 = innerMaskQubit1|outerMaskQubit1;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMaskQubit2 = innerMaskQubit2|outerMaskQubit2;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160; </div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisPatternQubit1, thisPatternQubit2;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160; </div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="preprocessor">    shared   (innerMaskQubit1,outerMaskQubit1,totMaskQubit1,innerMaskQubit2,outerMaskQubit2, \</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="preprocessor">                totMaskQubit2,qureg,retain,numTasks) \</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="preprocessor">    private  (thisTask,thisPatternQubit1,thisPatternQubit2)</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    {</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++){</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;            thisPatternQubit1 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&amp;totMaskQubit1;</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;            thisPatternQubit2 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&amp;totMaskQubit2;</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;            </div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;            <span class="comment">// any mismatch |...0...&gt;&lt;...1...| etc</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;            <span class="keywordflow">if</span> ( (thisPatternQubit1==innerMaskQubit1) || (thisPatternQubit1==outerMaskQubit1) || </div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;                    (thisPatternQubit2==innerMaskQubit2) || (thisPatternQubit2==outerMaskQubit2) ){ </div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;                <span class="comment">// do dephase</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;                <span class="comment">// the lines below will degrade the off-diagonal terms |..0..&gt;&lt;..1..| and |..1..&gt;&lt;..0..|</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask]; </div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask]; </div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;            } </div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        }  </div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    }</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;}</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160; </div>
<div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab750fb47da2fca9849c678c869e40e69">  125</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab750fb47da2fca9849c678c869e40e69">densmatr_mixDepolarisingLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> depolLevel) {</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-depolLevel;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160; </div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMask = 1LL &lt;&lt; targetQubit;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMask = 1LL &lt;&lt; (targetQubit + (qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>));</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMask = innerMask|outerMask;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160; </div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> partner;</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisPattern;</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160; </div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> realAv, imagAv;</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        </div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="preprocessor">    shared   (innerMask,outerMask,totMask,qureg,retain,depolLevel,numTasks) \</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;<span class="preprocessor">    private  (thisTask,partner,thisPattern,realAv,imagAv)</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    {</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++){</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;            thisPattern = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&amp;totMask;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;            <span class="keywordflow">if</span> ((thisPattern==innerMask) || (thisPattern==outerMask)){</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;                <span class="comment">// do dephase</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;                <span class="comment">// the lines below will degrade the off-diagonal terms |..0..&gt;&lt;..1..| and |..1..&gt;&lt;..0..|</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask]; </div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask]; </div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;            } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;                <span class="keywordflow">if</span> ((thisTask&amp;totMask)==0){ <span class="comment">//this element relates to targetQubit in state 0</span></div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;                    <span class="comment">// do depolarise</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;                    partner = thisTask | totMask;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;                    realAv =  (qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] + qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner]) /2 ;</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;                    imagAv =  (qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] + qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner]) /2 ;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;                    </div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;                    qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] + depolLevel*realAv;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;                    qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] + depolLevel*imagAv;</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;                    </div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;                    qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] + depolLevel*realAv;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;                    qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] + depolLevel*imagAv;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;                }</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;            }</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        }  </div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    }</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;}</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160; </div>
<div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab124a3a9956046bf9c0e1e3ae9171f42">  174</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab124a3a9956046bf9c0e1e3ae9171f42">densmatr_mixDampingLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> damping) {</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-damping;</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> dephase=sqrt(retain);</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160; </div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMask = 1LL &lt;&lt; targetQubit;</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMask = 1LL &lt;&lt; (targetQubit + (qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>));</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMask = innerMask|outerMask;</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160; </div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> partner;</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisPattern;</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160; </div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;    <span class="comment">//qreal realAv, imagAv;</span></div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        </div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;<span class="preprocessor">    shared   (innerMask,outerMask,totMask,qureg,retain,damping,dephase,numTasks) \</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="preprocessor">    private  (thisTask,partner,thisPattern)</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    {</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++){</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;            thisPattern = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&amp;totMask;</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;            <span class="keywordflow">if</span> ((thisPattern==innerMask) || (thisPattern==outerMask)){</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;                <span class="comment">// do dephase</span></div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;                <span class="comment">// the lines below will degrade the off-diagonal terms |..0..&gt;&lt;..1..| and |..1..&gt;&lt;..0..|</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = dephase*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask]; </div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = dephase*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask]; </div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;            } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;                <span class="keywordflow">if</span> ((thisTask&amp;totMask)==0){ <span class="comment">//this element relates to targetQubit in state 0</span></div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;                    <span class="comment">// do depolarise</span></div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;                    partner = thisTask | totMask;</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;                    <span class="comment">//realAv =  (qureg.stateVec.real[thisTask] + qureg.stateVec.real[partner]) /2 ;</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;                    <span class="comment">//imagAv =  (qureg.stateVec.imag[thisTask] + qureg.stateVec.imag[partner]) /2 ;</span></div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;                    </div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;                    qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] + damping*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner];</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;                    qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] + damping*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner];</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;                    </div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;                    qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner];</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;                    qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner];</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;                }</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;            }</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;        }  </div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    }</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;}</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160; </div>
<div class="line"><a name="l00224"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a88670d0e7cebe33f61c1dd98daa338b3">  224</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a88670d0e7cebe33f61c1dd98daa338b3">densmatr_mixDepolarisingDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> depolLevel) {</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160; </div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    <span class="comment">// first do dephase part. </span></div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    <span class="comment">// TODO -- this might be more efficient to do at the same time as the depolarise if we move to</span></div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    <span class="comment">// iterating over all elements in the state vector for the purpose of vectorisation</span></div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;    <span class="comment">// TODO -- if we keep this split, move this function to densmatr_mixDepolarising()</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;    <a class="code" href="QuEST__cpu_8c.html#aa31f0ef43a921c3ac73545d1d3670fa1">densmatr_mixDephasing</a>(qureg, targetQubit, depolLevel);</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160; </div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlock, sizeInnerHalfBlock;</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeOuterColumn, sizeOuterHalfColumn;</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisInnerBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;         thisOuterColumn, <span class="comment">// current column in density matrix</span></div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;         thisIndex,    <span class="comment">// current index in (density matrix representation) state vector</span></div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;         thisIndexInOuterColumn,</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;         thisIndexInInnerBlock; </div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    <span class="keywordtype">int</span> outerBit; </div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160; </div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160; </div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;    sizeInnerHalfBlock = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    sizeInnerBlock = 2LL * sizeInnerHalfBlock; </div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    sizeOuterColumn = 1LL &lt;&lt; qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    sizeOuterHalfColumn = sizeOuterColumn &gt;&gt; 1;</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160; </div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;<span class="preprocessor">    shared   (sizeInnerBlock,sizeInnerHalfBlock,sizeOuterColumn,sizeOuterHalfColumn, \</span></div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="preprocessor">                qureg,depolLevel,numTasks,targetQubit) \</span></div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="preprocessor">    private  (thisTask,thisInnerBlock,thisOuterColumn,thisIndex,thisIndexInOuterColumn, \</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="preprocessor">                thisIndexInInnerBlock,outerBit)</span></div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    {</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;        <span class="comment">// thisTask iterates over half the elements in this process&#39; chunk of the density matrix</span></div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;        <span class="comment">// treat this as iterating over all columns, then iterating over half the values</span></div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;        <span class="comment">// within one column.</span></div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;        <span class="comment">// If this function has been called, this process&#39; chunk contains half an </span></div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;        <span class="comment">// outer block or less</span></div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;            <span class="comment">// we want to process all columns in the density matrix,</span></div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;            <span class="comment">// updating the values for half of each column (one half of each inner block)</span></div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;            thisOuterColumn = thisTask / sizeOuterHalfColumn;</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;            thisIndexInOuterColumn = thisTask&amp;(sizeOuterHalfColumn-1); <span class="comment">// thisTask % sizeOuterHalfColumn</span></div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;            thisInnerBlock = thisIndexInOuterColumn/sizeInnerHalfBlock;</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;            <span class="comment">// get index in state vector corresponding to upper inner block</span></div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;            thisIndexInInnerBlock = thisTask&amp;(sizeInnerHalfBlock-1); <span class="comment">// thisTask % sizeInnerHalfBlock</span></div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;            thisIndex = thisOuterColumn*sizeOuterColumn + thisInnerBlock*sizeInnerBlock </div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;                + thisIndexInInnerBlock;</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;            <span class="comment">// check if we are in the upper or lower half of an outer block</span></div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;            outerBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(targetQubit, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&gt;&gt;qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;            <span class="comment">// if we are in the lower half of an outer block, shift to be in the lower half</span></div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;            <span class="comment">// of the inner block as well (we want to dephase |0&gt;&lt;0| and |1&gt;&lt;1| only)</span></div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;            thisIndex += outerBit*(sizeInnerHalfBlock);</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160; </div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;            <span class="comment">// NOTE: at this point thisIndex should be the index of the element we want to </span></div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;            <span class="comment">// dephase in the chunk of the state vector on this process, in the </span></div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;            <span class="comment">// density matrix representation. </span></div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;            <span class="comment">// thisTask is the index of the pair element in pairStateVec</span></div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160; </div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;           </div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;            <span class="comment">// state[thisIndex] = (1-depolLevel)*state[thisIndex] + depolLevel*(state[thisIndex]</span></div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;            <span class="comment">//      + pair[thisTask])/2</span></div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;            qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] = (1-depolLevel)*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] +</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;                    depolLevel*(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] + qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real[thisTask])/2;</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;            </div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;            qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] = (1-depolLevel)*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] +</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;                    depolLevel*(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] + qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag[thisTask])/2;</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;        } </div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;    }    </div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;}</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160; </div>
<div class="line"><a name="l00300"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a8d9c19a3424f0ad89bfbfd920d65301d">  300</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a8d9c19a3424f0ad89bfbfd920d65301d">densmatr_mixDampingDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> damping) {</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-damping;</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> dephase=sqrt(1-damping);</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160; </div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    <span class="comment">// multiply the off-diagonal (|0&gt;&lt;1| and |1&gt;&lt;0|) terms by sqrt(1-damping)</span></div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;    <a class="code" href="QuEST__cpu_8c.html#a717a0448066831cb5b392bcf2e1d0529">densmatr_oneQubitDegradeOffDiagonal</a>(qureg, targetQubit, dephase);</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    </div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;    <span class="comment">// below, we modify the diagonals terms which require |1&gt;&lt;1| to |0&gt;&lt;0| communication</span></div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160; </div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlock, sizeInnerHalfBlock;</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeOuterColumn, sizeOuterHalfColumn;</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisInnerBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;         thisOuterColumn, <span class="comment">// current column in density matrix</span></div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;         thisIndex,    <span class="comment">// current index in (density matrix representation) state vector</span></div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;         thisIndexInOuterColumn,</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;         thisIndexInInnerBlock; </div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    <span class="keywordtype">int</span> outerBit; </div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;    <span class="keywordtype">int</span> stateBit;</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160; </div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160; </div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;    sizeInnerHalfBlock = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;    sizeInnerBlock = 2LL * sizeInnerHalfBlock; </div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;    sizeOuterColumn = 1LL &lt;&lt; qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;    sizeOuterHalfColumn = sizeOuterColumn &gt;&gt; 1;</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160; </div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;<span class="preprocessor">    shared   (sizeInnerBlock,sizeInnerHalfBlock,sizeOuterColumn,sizeOuterHalfColumn, \</span></div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;<span class="preprocessor">                qureg,damping, retain, dephase, numTasks,targetQubit) \</span></div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;<span class="preprocessor">    private  (thisTask,thisInnerBlock,thisOuterColumn,thisIndex,thisIndexInOuterColumn, \</span></div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;<span class="preprocessor">                thisIndexInInnerBlock,outerBit, stateBit)</span></div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;    {</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;        <span class="comment">// thisTask iterates over half the elements in this process&#39; chunk of the density matrix</span></div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;        <span class="comment">// treat this as iterating over all columns, then iterating over half the values</span></div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;        <span class="comment">// within one column.</span></div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;        <span class="comment">// If this function has been called, this process&#39; chunk contains half an </span></div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;        <span class="comment">// outer block or less</span></div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;            <span class="comment">// we want to process all columns in the density matrix,</span></div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;            <span class="comment">// updating the values for half of each column (one half of each inner block)</span></div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;            thisOuterColumn = thisTask / sizeOuterHalfColumn;</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;            thisIndexInOuterColumn = thisTask&amp;(sizeOuterHalfColumn-1); <span class="comment">// thisTask % sizeOuterHalfColumn</span></div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;            thisInnerBlock = thisIndexInOuterColumn/sizeInnerHalfBlock;</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;            <span class="comment">// get index in state vector corresponding to upper inner block</span></div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;            thisIndexInInnerBlock = thisTask&amp;(sizeInnerHalfBlock-1); <span class="comment">// thisTask % sizeInnerHalfBlock</span></div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;            thisIndex = thisOuterColumn*sizeOuterColumn + thisInnerBlock*sizeInnerBlock </div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;                + thisIndexInInnerBlock;</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;            <span class="comment">// check if we are in the upper or lower half of an outer block</span></div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;            outerBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(targetQubit, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&gt;&gt;qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;            <span class="comment">// if we are in the lower half of an outer block, shift to be in the lower half</span></div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;            <span class="comment">// of the inner block as well (we want to dephase |0&gt;&lt;0| and |1&gt;&lt;1| only)</span></div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;            thisIndex += outerBit*(sizeInnerHalfBlock);</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160; </div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;            <span class="comment">// NOTE: at this point thisIndex should be the index of the element we want to </span></div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;            <span class="comment">// dephase in the chunk of the state vector on this process, in the </span></div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;            <span class="comment">// density matrix representation. </span></div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;            <span class="comment">// thisTask is the index of the pair element in pairStateVec</span></div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160; </div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;            <span class="comment">// Extract state bit, is 0 if thisIndex corresponds to a state with 0 in the target qubit</span></div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;            <span class="comment">// and is 1 if thisIndex corresponds to a state with 1 in the target qubit</span></div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;            stateBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(targetQubit, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>));</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;           </div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;            <span class="comment">// state[thisIndex] = (1-depolLevel)*state[thisIndex] + depolLevel*(state[thisIndex]</span></div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;            <span class="comment">//      + pair[thisTask])/2</span></div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;            <span class="keywordflow">if</span>(stateBit == 0){</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] +</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;                    damping*( qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real[thisTask]);</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;                </div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] +</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;                    damping*( qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag[thisTask]);</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;            } <span class="keywordflow">else</span>{</div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex];</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;            </div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex];</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;            }</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;        } </div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;    }    </div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;}</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160; </div>
<div class="line"><a name="l00387"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a3510f01d4d15dcc545564eb84c668cad">  387</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a3510f01d4d15dcc545564eb84c668cad">densmatr_mixTwoQubitDepolarisingLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> qubit1, <span class="keywordtype">int</span> qubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> delta, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> gamma) {</div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMaskQubit1 = 1LL &lt;&lt; qubit1;</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMaskQubit1= 1LL &lt;&lt; (qubit1 + qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMaskQubit1 = innerMaskQubit1 | outerMaskQubit1;</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMaskQubit2 = 1LL &lt;&lt; qubit2;</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMaskQubit2 = 1LL &lt;&lt; (qubit2 + qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMaskQubit2 = innerMaskQubit2 | outerMaskQubit2;</div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160; </div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> partner;</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisPatternQubit1, thisPatternQubit2;</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160; </div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> real00, imag00;</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160; </div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;<span class="preprocessor">    shared   (totMaskQubit1,totMaskQubit2,qureg,delta,gamma,numTasks) \</span></div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;<span class="preprocessor">    private  (thisTask,partner,thisPatternQubit1,thisPatternQubit2,real00,imag00)</span></div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;    {</div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;        <span class="comment">//--------------------------------------- STEP ONE ---------------------</span></div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++){ </div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;            thisPatternQubit1 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&amp;totMaskQubit1;</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;            thisPatternQubit2 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&amp;totMaskQubit2;</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;            <span class="keywordflow">if</span> ((thisPatternQubit1==0) &amp;&amp; ((thisPatternQubit2==0) </div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;                        || (thisPatternQubit2==totMaskQubit2))){ </div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;                <span class="comment">//this element of form |...X...0...&gt;&lt;...X...0...|  for X either 0 or 1.</span></div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;                partner = thisTask | totMaskQubit1;</div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;                real00 =  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask];</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;                imag00 =  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask];</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;                    </div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] </div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;                    + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner];</div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] </div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;                    + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner];</div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;                    </div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] + delta*real00;</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] + delta*imag00;</div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;                                </div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;            }</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;        }</div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;        <span class="comment">//--------------------------------------- STEP TWO ---------------------</span></div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++){ </div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;            thisPatternQubit1 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&amp;totMaskQubit1;</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;            thisPatternQubit2 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&amp;totMaskQubit2;</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;            <span class="keywordflow">if</span> ((thisPatternQubit2==0) &amp;&amp; ((thisPatternQubit1==0) </div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;                        || (thisPatternQubit1==totMaskQubit1))){ </div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;                <span class="comment">//this element of form |...0...X...&gt;&lt;...0...X...|  for X either 0 or 1.</span></div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;                partner = thisTask | totMaskQubit2;</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;                real00 =  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask];</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;                imag00 =  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask];</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;                    </div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] </div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;                    + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner];</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] </div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;                    + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner];</div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;                    </div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] + delta*real00;</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] + delta*imag00;</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160; </div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;            }</div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;        }</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160; </div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;        <span class="comment">//--------------------------------------- STEP THREE ---------------------</span></div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++){ </div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;            thisPatternQubit1 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&amp;totMaskQubit1;</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;            thisPatternQubit2 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&amp;totMaskQubit2;</div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;            <span class="keywordflow">if</span> ((thisPatternQubit2==0) &amp;&amp; ((thisPatternQubit1==0) </div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;                        || (thisPatternQubit1==totMaskQubit1))){ </div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;                <span class="comment">//this element of form |...0...X...&gt;&lt;...0...X...|  for X either 0 or 1.</span></div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;                partner = thisTask | totMaskQubit2;</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;                partner = partner ^ totMaskQubit1;</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;                real00 =  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask];</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;                imag00 =  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask];</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160; </div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = gamma * (qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] </div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;                        + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner]);</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = gamma * (qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] </div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;                        + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner]);</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;                    </div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] = gamma * (qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] </div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;                        + delta*real00);</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] = gamma * (qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] </div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;                        + delta*imag00);</div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160; </div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;            }</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;        }</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;    }</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;}</div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160; </div>
<div class="line"><a name="l00488"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ae90f82418e0aa67218d733dbbc681998">  488</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ae90f82418e0aa67218d733dbbc681998">densmatr_mixTwoQubitDepolarisingLocalPart1</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> qubit1, <span class="keywordtype">int</span> qubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> delta) {</div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMaskQubit1 = 1LL &lt;&lt; qubit1;</div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMaskQubit1= 1LL &lt;&lt; (qubit1 + qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMaskQubit1 = innerMaskQubit1 | outerMaskQubit1;</div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMaskQubit2 = 1LL &lt;&lt; qubit2;</div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMaskQubit2 = 1LL &lt;&lt; (qubit2 + qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMaskQubit2 = innerMaskQubit2 | outerMaskQubit2;</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;    <span class="comment">// correct for being in a particular chunk</span></div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;    <span class="comment">//totMaskQubit2 = totMaskQubit2&amp;(qureg.numAmpsPerChunk-1); // totMaskQubit2 % numAmpsPerChunk</span></div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;    </div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160; </div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> partner;</div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisPatternQubit1, thisPatternQubit2;</div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160; </div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> real00, imag00;</div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160; </div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;<span class="preprocessor">    shared   (totMaskQubit1,totMaskQubit2,qureg,delta,numTasks) \</span></div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;<span class="preprocessor">    private  (thisTask,partner,thisPatternQubit1,thisPatternQubit2,real00,imag00)</span></div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;    {</div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160; </div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;        <span class="comment">//--------------------------------------- STEP ONE ---------------------</span></div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask ++){ </div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;            thisPatternQubit1 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&amp;totMaskQubit1;</div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;            thisPatternQubit2 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&amp;totMaskQubit2;</div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;            <span class="keywordflow">if</span> ((thisPatternQubit1==0) &amp;&amp; ((thisPatternQubit2==0) </div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;                        || (thisPatternQubit2==totMaskQubit2))){ </div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;                <span class="comment">//this element of form |...X...0...&gt;&lt;...X...0...|  for X either 0 or 1.</span></div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;                partner = thisTask | totMaskQubit1;</div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;                real00 =  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask];</div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;                imag00 =  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask];</div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;                    </div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] </div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;                    + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner];</div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] </div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;                    + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner];</div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;                    </div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] + delta*real00;</div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;                qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] + delta*imag00;</div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;                                </div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;            }</div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;        }</div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;    }</div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;}</div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160; </div>
<div class="line"><a name="l00541"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a2f76ec8f08e19bb8e1254aafb10e160e">  541</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a2f76ec8f08e19bb8e1254aafb10e160e">densmatr_mixTwoQubitDepolarisingDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;        <span class="keywordtype">int</span> qubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> delta, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> gamma) {</div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160; </div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlockQ1, sizeInnerHalfBlockQ1;</div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlockQ2, sizeInnerHalfBlockQ2, sizeInnerQuarterBlockQ2;</div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeOuterColumn, sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisInnerBlockQ2,</div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;         thisOuterColumn, <span class="comment">// current column in density matrix</span></div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;         thisIndex,    <span class="comment">// current index in (density matrix representation) state vector</span></div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;         thisIndexInOuterColumn,</div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;         thisIndexInInnerBlockQ1, </div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;         thisIndexInInnerBlockQ2, </div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;         thisInnerBlockQ1InInnerBlockQ2;</div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;    <span class="keywordtype">int</span> outerBitQ1, outerBitQ2; </div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160; </div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;2;</div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160; </div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;    sizeInnerHalfBlockQ1 = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;    sizeInnerHalfBlockQ2 = 1LL &lt;&lt; qubit2;  </div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;    sizeInnerQuarterBlockQ2 = sizeInnerHalfBlockQ2 &gt;&gt; 1;  </div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;    sizeInnerBlockQ2 = sizeInnerHalfBlockQ2 &lt;&lt; 1;  </div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;    sizeInnerBlockQ1 = 2LL * sizeInnerHalfBlockQ1; </div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;    sizeOuterColumn = 1LL &lt;&lt; qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;    sizeOuterQuarterColumn = sizeOuterColumn &gt;&gt; 2;</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160; </div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;<span class="preprocessor">    shared   (sizeInnerBlockQ1,sizeInnerHalfBlockQ1,sizeInnerBlockQ2,sizeInnerHalfBlockQ2,sizeInnerQuarterBlockQ2,\</span></div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;<span class="preprocessor">                sizeOuterColumn,sizeOuterQuarterColumn,qureg,delta,gamma,numTasks,targetQubit,qubit2) \</span></div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;<span class="preprocessor">    private  (thisTask,thisInnerBlockQ2,thisInnerBlockQ1InInnerBlockQ2, \</span></div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;<span class="preprocessor">                thisOuterColumn,thisIndex,thisIndexInOuterColumn, \</span></div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;<span class="preprocessor">                thisIndexInInnerBlockQ1,thisIndexInInnerBlockQ2,outerBitQ1,outerBitQ2)</span></div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;    {</div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;        <span class="comment">// thisTask iterates over half the elements in this process&#39; chunk of the density matrix</span></div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;        <span class="comment">// treat this as iterating over all columns, then iterating over half the values</span></div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;        <span class="comment">// within one column.</span></div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;        <span class="comment">// If this function has been called, this process&#39; chunk contains half an </span></div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;        <span class="comment">// outer block or less</span></div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;            <span class="comment">// we want to process all columns in the density matrix,</span></div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;            <span class="comment">// updating the values for half of each column (one half of each inner block)</span></div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;            thisOuterColumn = thisTask / sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;            <span class="comment">// thisTask % sizeOuterQuarterColumn</span></div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;            thisIndexInOuterColumn = thisTask&amp;(sizeOuterQuarterColumn-1); </div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;            thisInnerBlockQ2 = thisIndexInOuterColumn / sizeInnerQuarterBlockQ2;</div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;            <span class="comment">// thisTask % sizeInnerQuarterBlockQ2;</span></div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;            thisIndexInInnerBlockQ2 = thisTask&amp;(sizeInnerQuarterBlockQ2-1);</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;            thisInnerBlockQ1InInnerBlockQ2 = thisIndexInInnerBlockQ2 / sizeInnerHalfBlockQ1;</div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;            <span class="comment">// thisTask % sizeInnerHalfBlockQ1;</span></div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;            thisIndexInInnerBlockQ1 = thisTask&amp;(sizeInnerHalfBlockQ1-1);</div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160; </div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;            <span class="comment">// get index in state vector corresponding to upper inner block</span></div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;            thisIndex = thisOuterColumn*sizeOuterColumn + thisInnerBlockQ2*sizeInnerBlockQ2 </div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;                + thisInnerBlockQ1InInnerBlockQ2*sizeInnerBlockQ1 + thisIndexInInnerBlockQ1;</div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160; </div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;            <span class="comment">// check if we are in the upper or lower half of an outer block for Q1</span></div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;            outerBitQ1 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(targetQubit, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&gt;&gt;qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;            <span class="comment">// if we are in the lower half of an outer block, shift to be in the lower half</span></div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;            <span class="comment">// of the inner block as well (we want to dephase |0&gt;&lt;0| and |1&gt;&lt;1| only)</span></div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;            thisIndex += outerBitQ1*(sizeInnerHalfBlockQ1);</div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160; </div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;            <span class="comment">// check if we are in the upper or lower half of an outer block for Q2</span></div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;            outerBitQ2 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubit2, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&gt;&gt;qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;            <span class="comment">// if we are in the lower half of an outer block, shift to be in the lower half</span></div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;            <span class="comment">// of the inner block as well (we want to dephase |0&gt;&lt;0| and |1&gt;&lt;1| only)</span></div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;            thisIndex += outerBitQ2*(sizeInnerQuarterBlockQ2&lt;&lt;1);</div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160; </div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;            <span class="comment">// NOTE: at this point thisIndex should be the index of the element we want to </span></div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;            <span class="comment">// dephase in the chunk of the state vector on this process, in the </span></div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;            <span class="comment">// density matrix representation. </span></div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;            <span class="comment">// thisTask is the index of the pair element in pairStateVec</span></div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160; </div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;           </div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;            <span class="comment">// state[thisIndex] = (1-depolLevel)*state[thisIndex] + depolLevel*(state[thisIndex]</span></div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;            <span class="comment">//      + pair[thisTask])/2</span></div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;            <span class="comment">// NOTE: must set gamma=1 if using this function for steps 1 or 2</span></div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;            qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] = gamma*(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] +</div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;                    delta*qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real[thisTask]);</div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;            qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] = gamma*(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] +</div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;                    delta*qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag[thisTask]);</div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;        } </div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;    }    </div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;}</div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160; </div>
<div class="line"><a name="l00632"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#acabdfbd3184d3ab3bded61e24142b800">  632</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#acabdfbd3184d3ab3bded61e24142b800">densmatr_mixTwoQubitDepolarisingQ1LocalQ2DistributedPart3</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;        <span class="keywordtype">int</span> qubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> delta, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> gamma) {</div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160; </div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlockQ1, sizeInnerHalfBlockQ1;</div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlockQ2, sizeInnerHalfBlockQ2, sizeInnerQuarterBlockQ2;</div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeOuterColumn, sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisInnerBlockQ2,</div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;         thisOuterColumn, <span class="comment">// current column in density matrix</span></div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;         thisIndex,    <span class="comment">// current index in (density matrix representation) state vector</span></div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;         thisIndexInPairVector,</div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;         thisIndexInOuterColumn,</div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;         thisIndexInInnerBlockQ1, </div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;         thisIndexInInnerBlockQ2, </div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;         thisInnerBlockQ1InInnerBlockQ2;</div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;    <span class="keywordtype">int</span> outerBitQ1, outerBitQ2; </div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160; </div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;2;</div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160; </div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;    sizeInnerHalfBlockQ1 = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;    sizeInnerHalfBlockQ2 = 1LL &lt;&lt; qubit2;  </div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;    sizeInnerQuarterBlockQ2 = sizeInnerHalfBlockQ2 &gt;&gt; 1;  </div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;    sizeInnerBlockQ2 = sizeInnerHalfBlockQ2 &lt;&lt; 1;  </div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;    sizeInnerBlockQ1 = 2LL * sizeInnerHalfBlockQ1; </div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;    sizeOuterColumn = 1LL &lt;&lt; qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;    sizeOuterQuarterColumn = sizeOuterColumn &gt;&gt; 2;</div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160; </div>
<div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;<span class="comment">//# if 0</span></div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;<span class="preprocessor">    shared   (sizeInnerBlockQ1,sizeInnerHalfBlockQ1,sizeInnerBlockQ2,sizeInnerHalfBlockQ2,sizeInnerQuarterBlockQ2,\</span></div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;<span class="preprocessor">                sizeOuterColumn,sizeOuterQuarterColumn,qureg,delta,gamma, numTasks,targetQubit,qubit2) \</span></div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;<span class="preprocessor">    private  (thisTask,thisInnerBlockQ2,thisInnerBlockQ1InInnerBlockQ2, \</span></div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;<span class="preprocessor">                thisOuterColumn,thisIndex,thisIndexInPairVector,thisIndexInOuterColumn, \</span></div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;<span class="preprocessor">                thisIndexInInnerBlockQ1,thisIndexInInnerBlockQ2,outerBitQ1,outerBitQ2)</span></div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;    {</div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;<span class="comment">//# endif</span></div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;        <span class="comment">// thisTask iterates over half the elements in this process&#39; chunk of the density matrix</span></div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;        <span class="comment">// treat this as iterating over all columns, then iterating over half the values</span></div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;        <span class="comment">// within one column.</span></div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;        <span class="comment">// If this function has been called, this process&#39; chunk contains half an </span></div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;        <span class="comment">// outer block or less</span></div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;            <span class="comment">// we want to process all columns in the density matrix,</span></div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;            <span class="comment">// updating the values for half of each column (one half of each inner block)</span></div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;            thisOuterColumn = thisTask / sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;            <span class="comment">// thisTask % sizeOuterQuarterColumn</span></div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;            thisIndexInOuterColumn = thisTask&amp;(sizeOuterQuarterColumn-1); </div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;            thisInnerBlockQ2 = thisIndexInOuterColumn / sizeInnerQuarterBlockQ2;</div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;            <span class="comment">// thisTask % sizeInnerQuarterBlockQ2;</span></div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;            thisIndexInInnerBlockQ2 = thisTask&amp;(sizeInnerQuarterBlockQ2-1);</div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;            thisInnerBlockQ1InInnerBlockQ2 = thisIndexInInnerBlockQ2 / sizeInnerHalfBlockQ1;</div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;            <span class="comment">// thisTask % sizeInnerHalfBlockQ1;</span></div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;            thisIndexInInnerBlockQ1 = thisTask&amp;(sizeInnerHalfBlockQ1-1);</div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160; </div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;            <span class="comment">// get index in state vector corresponding to upper inner block</span></div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;            thisIndex = thisOuterColumn*sizeOuterColumn + thisInnerBlockQ2*sizeInnerBlockQ2 </div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;                + thisInnerBlockQ1InInnerBlockQ2*sizeInnerBlockQ1 + thisIndexInInnerBlockQ1;</div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160; </div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;            <span class="comment">// check if we are in the upper or lower half of an outer block for Q1</span></div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;            outerBitQ1 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(targetQubit, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&gt;&gt;qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;            <span class="comment">// if we are in the lower half of an outer block, shift to be in the lower half</span></div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;            <span class="comment">// of the inner block as well (we want to dephase |0&gt;&lt;0| and |1&gt;&lt;1| only)</span></div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;            thisIndex += outerBitQ1*(sizeInnerHalfBlockQ1);</div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;            </div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;            <span class="comment">// For part 3 we need to match elements such that (my Q1 != pair Q1) AND (my Q2 != pair Q2)</span></div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;            <span class="comment">// Find correct index in pairStateVector</span></div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;            thisIndexInPairVector = thisTask + (1-outerBitQ1)*sizeInnerHalfBlockQ1*sizeOuterQuarterColumn -</div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;                outerBitQ1*sizeInnerHalfBlockQ1*sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;            </div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;            <span class="comment">// check if we are in the upper or lower half of an outer block for Q2</span></div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;            outerBitQ2 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubit2, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&gt;&gt;qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;            <span class="comment">// if we are in the lower half of an outer block, shift to be in the lower half</span></div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;            <span class="comment">// of the inner block as well (we want to dephase |0&gt;&lt;0| and |1&gt;&lt;1| only)</span></div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;            thisIndex += outerBitQ2*(sizeInnerQuarterBlockQ2&lt;&lt;1);</div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;            </div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;            </div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;            <span class="comment">// NOTE: at this point thisIndex should be the index of the element we want to </span></div>
<div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;            <span class="comment">// dephase in the chunk of the state vector on this process, in the </span></div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;            <span class="comment">// density matrix representation. </span></div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160; </div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;           </div>
<div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;            <span class="comment">// state[thisIndex] = (1-depolLevel)*state[thisIndex] + depolLevel*(state[thisIndex]</span></div>
<div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;            <span class="comment">//      + pair[thisIndexInPairVector])/2</span></div>
<div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;            qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] = gamma*(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] +</div>
<div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;                    delta*qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real[thisIndexInPairVector]);</div>
<div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;            </div>
<div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;            qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] = gamma*(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] +</div>
<div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;                    delta*qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag[thisIndexInPairVector]);</div>
<div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;        } </div>
<div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;    }    </div>
<div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160; </div>
<div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;}</div>
<div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160; </div>
<div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160; </div>
<div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;<span class="comment">/* Without nested parallelisation, only the outer most loops which call below are parallelised */</span></div>
<div class="line"><a name="l00734"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">  734</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> startInd, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps) {</div>
<div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;<span class="preprocessor"># pragma omp parallel for schedule (static)</span></div>
<div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;    <span class="keywordflow">for</span> (i=startInd; i &lt; startInd+numAmps; i++) {</div>
<div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;        qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[i] = 0;</div>
<div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;        qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[i] = 0;</div>
<div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;    }</div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;}</div>
<div class="line"><a name="l00744"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a031a99b7e97779f3dc782feffe86e779">  744</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a031a99b7e97779f3dc782feffe86e779">normaliseSomeAmps</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> norm, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> startInd, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps) {</div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;<span class="preprocessor"># pragma omp parallel for schedule (static)</span></div>
<div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;    <span class="keywordflow">for</span> (i=startInd; i &lt; startInd+numAmps; i++) {</div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;        qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[i] /= norm;</div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;        qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[i] /= norm;</div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;    }</div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;}</div>
<div class="line"><a name="l00754"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">  754</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a>(</div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;    <a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> norm, <span class="keywordtype">int</span> normFirst, </div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> startAmpInd, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> blockSize</div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;) {     </div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numDubBlocks = numAmps / (2*blockSize);</div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> blockStartInd;</div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;    </div>
<div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;    <span class="keywordflow">if</span> (normFirst) {</div>
<div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;        <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> dubBlockInd;</div>
<div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;<span class="preprocessor"># pragma omp parallel for schedule (static) private (blockStartInd)</span></div>
<div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;        <span class="keywordflow">for</span> (dubBlockInd=0; dubBlockInd &lt; numDubBlocks; dubBlockInd++) {</div>
<div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;            blockStartInd = startAmpInd + dubBlockInd*2*blockSize;</div>
<div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;            <a class="code" href="QuEST__cpu_8c.html#a031a99b7e97779f3dc782feffe86e779">normaliseSomeAmps</a>(qureg, norm, blockStartInd,             blockSize); <span class="comment">// |0&gt;&lt;0|</span></div>
<div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;            <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(     qureg,       blockStartInd + blockSize, blockSize);</div>
<div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;        }</div>
<div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;        <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> dubBlockInd;</div>
<div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;<span class="preprocessor"># pragma omp parallel for schedule (static) private (blockStartInd)</span></div>
<div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;        <span class="keywordflow">for</span> (dubBlockInd=0; dubBlockInd &lt; numDubBlocks; dubBlockInd++) {</div>
<div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;            blockStartInd = startAmpInd + dubBlockInd*2*blockSize;</div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;            <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(     qureg,       blockStartInd,             blockSize);</div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;            <a class="code" href="QuEST__cpu_8c.html#a031a99b7e97779f3dc782feffe86e779">normaliseSomeAmps</a>(qureg, norm, blockStartInd + blockSize, blockSize); <span class="comment">// |1&gt;&lt;1|</span></div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;        }</div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;    }</div>
<div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;}</div>
<div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160; </div>
<div class="line"><a name="l00785"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a8a639c31701d989a5db7aa1f6b13db60">  785</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a8a639c31701d989a5db7aa1f6b13db60">densmatr_collapseToKnownProbOutcome</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> measureQubit, <span class="keywordtype">int</span> outcome, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> totalStateProb) {</div>
<div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160; </div>
<div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;        <span class="comment">// only (global) indices (as bit sequence): &#39;* outcome *(n+q) outcome *q are spared</span></div>
<div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;    <span class="comment">// where n = measureQubit, q = qureg.numQubitsRepresented.</span></div>
<div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;    <span class="comment">// We can thus step in blocks of 2^q+n, killing every second, and inside the others,</span></div>
<div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;    <span class="comment">//  stepping in sub-blocks of 2^q, killing every second.</span></div>
<div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;    <span class="comment">// When outcome=1, we offset the start of these blocks by their size.</span></div>
<div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerBlockSize = (1LL &lt;&lt; measureQubit);</div>
<div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerBlockSize = (1LL &lt;&lt; (measureQubit + qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>));</div>
<div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;    </div>
<div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;    <span class="comment">// Because there are 2^a number of nodes(/chunks), each node will contain 2^b number of blocks,</span></div>
<div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160;    <span class="comment">// or each block will span 2^c number of nodes. Similarly for the innerblocks.</span></div>
<div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> locNumAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalStartInd = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> * locNumAmps;</div>
<div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;    <span class="keywordtype">int</span> innerBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(measureQubit, globalStartInd);</div>
<div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160;    <span class="keywordtype">int</span> outerBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(measureQubit + qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>, globalStartInd);</div>
<div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;    </div>
<div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;    <span class="comment">// If this chunk&#39;s amps are entirely inside an outer block</span></div>
<div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;    <span class="keywordflow">if</span> (locNumAmps &lt;= outerBlockSize) {</div>
<div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;        </div>
<div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;        <span class="comment">// if this is an undesired outer block, kill all elems</span></div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;        <span class="keywordflow">if</span> (outerBit != outcome)</div>
<div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(qureg, 0, qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>);</div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;        </div>
<div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;        <span class="comment">// othwerwise, if this is a desired outer block, and also entirely an inner block</span></div>
<div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;        <span class="keywordflow">if</span> (locNumAmps &lt;= innerBlockSize) {</div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;            </div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;            <span class="comment">// and that inner block is undesired, kill all elems</span></div>
<div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;            <span class="keywordflow">if</span> (innerBit != outcome)</div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;                <span class="keywordflow">return</span> <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(qureg, 0, qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>);</div>
<div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;            <span class="comment">// otherwise normalise all elems</span></div>
<div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;                <span class="keywordflow">return</span> <a class="code" href="QuEST__cpu_8c.html#a031a99b7e97779f3dc782feffe86e779">normaliseSomeAmps</a>(qureg, totalStateProb, 0, qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>);</div>
<div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;        }</div>
<div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;                </div>
<div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;        <span class="comment">// otherwise this is a desired outer block which contains 2^a inner blocks; kill/renorm every second inner block</span></div>
<div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a>(</div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;            qureg, totalStateProb, innerBit==outcome, 0, qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>, innerBlockSize);</div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;    }</div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;    </div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;    <span class="comment">// Otherwise, this chunk&#39;s amps contain multiple outer blocks (and hence multiple inner blocks)</span></div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numOuterDoubleBlocks = locNumAmps / (2*outerBlockSize);</div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> firstBlockInd;</div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;    </div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;    <span class="comment">// alternate norming* and zeroing the outer blocks (with order based on the desired outcome)</span></div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;    <span class="comment">// These loops aren&#39;t parallelised, since they could have 1 or 2 iterations and will prevent</span></div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;    <span class="comment">// inner parallelisation</span></div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;    <span class="keywordflow">if</span> (outerBit == outcome) {</div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160; </div>
<div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerDubBlockInd = 0; outerDubBlockInd &lt; numOuterDoubleBlocks; outerDubBlockInd++) {</div>
<div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;            firstBlockInd = outerDubBlockInd*2*outerBlockSize;</div>
<div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;            </div>
<div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;            <span class="comment">// *norm only the desired inner blocks in the desired outer block</span></div>
<div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;            <a class="code" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a>(</div>
<div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;                qureg, totalStateProb, innerBit==outcome, </div>
<div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;                firstBlockInd, outerBlockSize, innerBlockSize);</div>
<div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;            </div>
<div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;            <span class="comment">// zero the undesired outer block</span></div>
<div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;            <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(qureg, firstBlockInd + outerBlockSize, outerBlockSize);</div>
<div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;        }</div>
<div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160; </div>
<div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160; </div>
<div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerDubBlockInd = 0; outerDubBlockInd &lt; numOuterDoubleBlocks; outerDubBlockInd++) {</div>
<div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;            firstBlockInd = outerDubBlockInd*2*outerBlockSize;</div>
<div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160;            </div>
<div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160;            <span class="comment">// same thing but undesired outer blocks come first</span></div>
<div class="line"><a name="l00852"></a><span class="lineno">  852</span>&#160;            <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(qureg, firstBlockInd, outerBlockSize);</div>
<div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;            <a class="code" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a>(</div>
<div class="line"><a name="l00854"></a><span class="lineno">  854</span>&#160;                qureg, totalStateProb, innerBit==outcome, </div>
<div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;                firstBlockInd + outerBlockSize, outerBlockSize, innerBlockSize);</div>
<div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;        }</div>
<div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;    }</div>
<div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160;    </div>
<div class="line"><a name="l00859"></a><span class="lineno">  859</span>&#160;}</div>
<div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160; </div>
<div class="line"><a name="l00861"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#af910c7cf2b85bdc2c399cfe8dbfb8b9c">  861</a></span>&#160;<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#af910c7cf2b85bdc2c399cfe8dbfb8b9c">densmatr_calcPurityLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg) {</div>
<div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160;    </div>
<div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160;    <span class="comment">/* sum of qureg^2, which is sum_i |qureg[i]|^2 */</span></div>
<div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;        </div>
<div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> trace = 0;</div>
<div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;    </div>
<div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;<span class="preprocessor">    shared    (vecRe, vecIm, numAmps) \</span></div>
<div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;<span class="preprocessor">    private   (index) \</span></div>
<div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;<span class="preprocessor">    reduction ( +:trace )</span></div>
<div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;    {</div>
<div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;        <span class="keywordflow">for</span> (index=0LL; index&lt;numAmps; index++) {</div>
<div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;                        </div>
<div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;            trace += vecRe[index]*vecRe[index] + vecIm[index]*vecIm[index];</div>
<div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;        }</div>
<div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;    }</div>
<div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;    </div>
<div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;    <span class="keywordflow">return</span> trace;</div>
<div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;}</div>
<div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160; </div>
<div class="line"><a name="l00890"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a8adaba9dbdad6f7ab41ae4b8db0abefe">  890</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a8adaba9dbdad6f7ab41ae4b8db0abefe">densmatr_mixDensityMatrix</a>(<a class="code" href="structQureg.html">Qureg</a> combineQureg, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> otherProb, <a class="code" href="structQureg.html">Qureg</a> otherQureg) {</div>
<div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;    </div>
<div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;    <span class="comment">/* corresponding amplitudes live on the same node (same dimensions) */</span></div>
<div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;    </div>
<div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;    <span class="comment">// unpack vars for OpenMP</span></div>
<div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* combineVecRe = combineQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* combineVecIm = combineQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* otherVecRe = otherQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* otherVecIm = otherQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = combineQureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;    </div>
<div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160;<span class="preprocessor">    default (none) \</span></div>
<div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;<span class="preprocessor">    shared  (combineVecRe,combineVecIm,otherVecRe,otherVecIm, otherProb, numAmps) \</span></div>
<div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;<span class="preprocessor">    private (index)</span></div>
<div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;    {</div>
<div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160;        <span class="keywordflow">for</span> (index=0; index &lt; numAmps; index++) {</div>
<div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;            combineVecRe[index] *= 1-otherProb;</div>
<div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;            combineVecIm[index] *= 1-otherProb;</div>
<div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;            </div>
<div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;            combineVecRe[index] += otherProb * otherVecRe[index];</div>
<div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;            combineVecIm[index] += otherProb * otherVecIm[index];</div>
<div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;        }</div>
<div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;    }</div>
<div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160;}</div>
<div class="line"><a name="l00921"></a><span class="lineno">  921</span>&#160; </div>
<div class="line"><a name="l00923"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a939897137596bb73ad7a028d0beaaa10">  923</a></span>&#160;<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#a939897137596bb73ad7a028d0beaaa10">densmatr_calcHilbertSchmidtDistanceSquaredLocal</a>(<a class="code" href="structQureg.html">Qureg</a> a, <a class="code" href="structQureg.html">Qureg</a> b) {</div>
<div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;    </div>
<div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = a.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160;        </div>
<div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *aRe = a.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *aIm = a.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *bRe = b.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *bIm = b.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00932"></a><span class="lineno">  932</span>&#160;    </div>
<div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> trace = 0;</div>
<div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> difRe, difIm;</div>
<div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160;    </div>
<div class="line"><a name="l00936"></a><span class="lineno">  936</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00938"></a><span class="lineno">  938</span>&#160;<span class="preprocessor">    shared    (aRe,aIm, bRe,bIm, numAmps) \</span></div>
<div class="line"><a name="l00939"></a><span class="lineno">  939</span>&#160;<span class="preprocessor">    private   (index,difRe,difIm) \</span></div>
<div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160;<span class="preprocessor">    reduction ( +:trace )</span></div>
<div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00942"></a><span class="lineno">  942</span>&#160;    {</div>
<div class="line"><a name="l00943"></a><span class="lineno">  943</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00944"></a><span class="lineno">  944</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00946"></a><span class="lineno">  946</span>&#160;        <span class="keywordflow">for</span> (index=0LL; index&lt;numAmps; index++) {</div>
<div class="line"><a name="l00947"></a><span class="lineno">  947</span>&#160;                        </div>
<div class="line"><a name="l00948"></a><span class="lineno">  948</span>&#160;            difRe = aRe[index] - bRe[index];</div>
<div class="line"><a name="l00949"></a><span class="lineno">  949</span>&#160;            difIm = aIm[index] - bIm[index];</div>
<div class="line"><a name="l00950"></a><span class="lineno">  950</span>&#160;            trace += difRe*difRe + difIm*difIm;</div>
<div class="line"><a name="l00951"></a><span class="lineno">  951</span>&#160;        }</div>
<div class="line"><a name="l00952"></a><span class="lineno">  952</span>&#160;    }</div>
<div class="line"><a name="l00953"></a><span class="lineno">  953</span>&#160;    </div>
<div class="line"><a name="l00954"></a><span class="lineno">  954</span>&#160;    <span class="keywordflow">return</span> trace;</div>
<div class="line"><a name="l00955"></a><span class="lineno">  955</span>&#160;}</div>
<div class="line"><a name="l00956"></a><span class="lineno">  956</span>&#160; </div>
<div class="line"><a name="l00958"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a08392b1b27d10e3b8a8648a5afeaa629">  958</a></span>&#160;<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#a08392b1b27d10e3b8a8648a5afeaa629">densmatr_calcInnerProductLocal</a>(<a class="code" href="structQureg.html">Qureg</a> a, <a class="code" href="structQureg.html">Qureg</a> b) {</div>
<div class="line"><a name="l00959"></a><span class="lineno">  959</span>&#160;    </div>
<div class="line"><a name="l00960"></a><span class="lineno">  960</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l00961"></a><span class="lineno">  961</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = a.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00962"></a><span class="lineno">  962</span>&#160;        </div>
<div class="line"><a name="l00963"></a><span class="lineno">  963</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *aRe = a.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00964"></a><span class="lineno">  964</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *aIm = a.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00965"></a><span class="lineno">  965</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *bRe = b.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00966"></a><span class="lineno">  966</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *bIm = b.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00967"></a><span class="lineno">  967</span>&#160;    </div>
<div class="line"><a name="l00968"></a><span class="lineno">  968</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> trace = 0;</div>
<div class="line"><a name="l00969"></a><span class="lineno">  969</span>&#160;    </div>
<div class="line"><a name="l00970"></a><span class="lineno">  970</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00971"></a><span class="lineno">  971</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00972"></a><span class="lineno">  972</span>&#160;<span class="preprocessor">    shared    (aRe,aIm, bRe,bIm, numAmps) \</span></div>
<div class="line"><a name="l00973"></a><span class="lineno">  973</span>&#160;<span class="preprocessor">    private   (index) \</span></div>
<div class="line"><a name="l00974"></a><span class="lineno">  974</span>&#160;<span class="preprocessor">    reduction ( +:trace )</span></div>
<div class="line"><a name="l00975"></a><span class="lineno">  975</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00976"></a><span class="lineno">  976</span>&#160;    {</div>
<div class="line"><a name="l00977"></a><span class="lineno">  977</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00978"></a><span class="lineno">  978</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l00979"></a><span class="lineno">  979</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00980"></a><span class="lineno">  980</span>&#160;        <span class="keywordflow">for</span> (index=0LL; index&lt;numAmps; index++) {</div>
<div class="line"><a name="l00981"></a><span class="lineno">  981</span>&#160;            trace += aRe[index]*bRe[index] + aIm[index]*bIm[index];</div>
<div class="line"><a name="l00982"></a><span class="lineno">  982</span>&#160;        }</div>
<div class="line"><a name="l00983"></a><span class="lineno">  983</span>&#160;    }</div>
<div class="line"><a name="l00984"></a><span class="lineno">  984</span>&#160;    </div>
<div class="line"><a name="l00985"></a><span class="lineno">  985</span>&#160;    <span class="keywordflow">return</span> trace;</div>
<div class="line"><a name="l00986"></a><span class="lineno">  986</span>&#160;}</div>
<div class="line"><a name="l00987"></a><span class="lineno">  987</span>&#160; </div>
<div class="line"><a name="l00988"></a><span class="lineno">  988</span>&#160; </div>
<div class="line"><a name="l00990"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a7772f97cb4d92a9825bf3b7c82c3230c">  990</a></span>&#160;<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#a7772f97cb4d92a9825bf3b7c82c3230c">densmatr_calcFidelityLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structQureg.html">Qureg</a> pureState) {</div>
<div class="line"><a name="l00991"></a><span class="lineno">  991</span>&#160;        </div>
<div class="line"><a name="l00992"></a><span class="lineno">  992</span>&#160;    <span class="comment">/* Here, elements of pureState are not accessed (instead grabbed from qureg.pair).</span></div>
<div class="line"><a name="l00993"></a><span class="lineno">  993</span>&#160;<span class="comment">     * We only consult the attributes.</span></div>
<div class="line"><a name="l00994"></a><span class="lineno">  994</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l00995"></a><span class="lineno">  995</span>&#160;<span class="comment">     * qureg is a density matrix, and pureState is a statevector.</span></div>
<div class="line"><a name="l00996"></a><span class="lineno">  996</span>&#160;<span class="comment">     * Every node contains as many columns of qureg as amps by pureState.</span></div>
<div class="line"><a name="l00997"></a><span class="lineno">  997</span>&#160;<span class="comment">     * (each node contains an integer, exponent-of-2 number of whole columns of qureg)</span></div>
<div class="line"><a name="l00998"></a><span class="lineno">  998</span>&#160;<span class="comment">     * Ergo, this node contains columns:</span></div>
<div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160;<span class="comment">     * qureg.chunkID * pureState.numAmpsPerChunk  to</span></div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>&#160;<span class="comment">     * (qureg.chunkID + 1) * pureState.numAmpsPerChunk</span></div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160;<span class="comment">     * The first pureState.numAmpsTotal elements of qureg.pairStateVec are the</span></div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160;<span class="comment">     * entire pureState state-vector</span></div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160;    </div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;    <span class="comment">// unpack everything for OPENMP</span></div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecRe  = qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real;</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecIm  = qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag;</div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* densRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* densIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160;    </div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;    <span class="keywordtype">int</span> row, col;</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160;    <span class="keywordtype">int</span> dim = (int) pureState.<a class="code" href="structQureg.html#adef4935cac95763c29164cf99b144ed4">numAmpsTotal</a>; </div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;    <span class="keywordtype">int</span> colsPerNode = (<span class="keywordtype">int</span>) pureState.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;    <span class="comment">// using only int, because density matrix has squared as many amps so its </span></div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;    <span class="comment">// iteration would be impossible if the pureStates numAmpsTotal didn&#39;t fit into int</span></div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160;    </div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>&#160;    <span class="comment">// starting GLOBAL column index of the qureg columns on this node</span></div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>&#160;    <span class="keywordtype">int</span> startCol = (int) (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> * pureState.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>);</div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>&#160;    </div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> densElemRe, densElemIm;</div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> prefacRe, prefacIm;</div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rowSumRe, rowSumIm;</div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> vecElemRe, vecElemIm;</div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>&#160;    </div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>&#160;    <span class="comment">// quantity computed by this node</span></div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> globalSumRe = 0;   <span class="comment">// imag-component is assumed zero</span></div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>&#160;    </div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>&#160;<span class="preprocessor">    shared    (vecRe,vecIm,densRe,densIm, dim,colsPerNode,startCol) \</span></div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>&#160;<span class="preprocessor">    private   (row,col, prefacRe,prefacIm, rowSumRe,rowSumIm, densElemRe,densElemIm, vecElemRe,vecElemIm) \</span></div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>&#160;<span class="preprocessor">    reduction ( +:globalSumRe )</span></div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>&#160;    {</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>&#160;        <span class="comment">// indices of my GLOBAL row</span></div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>&#160;        <span class="keywordflow">for</span> (row=0; row &lt; dim; row++) {</div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>&#160;            </div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>&#160;            <span class="comment">// single element of conj(pureState)</span></div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>&#160;            prefacRe =   vecRe[row];</div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160;            prefacIm = - vecIm[row];</div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160;                    </div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160;            rowSumRe = 0;</div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160;            rowSumIm = 0;</div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160;            </div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>&#160;            <span class="comment">// indices of my LOCAL column</span></div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>&#160;            <span class="keywordflow">for</span> (col=0; col &lt; colsPerNode; col++) {</div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;            </div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160;                <span class="comment">// my local density element</span></div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160;                densElemRe = densRe[row + dim*col];</div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160;                densElemIm = densIm[row + dim*col];</div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160;            </div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;                <span class="comment">// state-vector element</span></div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160;                vecElemRe = vecRe[startCol + col];</div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160;                vecElemIm = vecIm[startCol + col];</div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160;            </div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160;                rowSumRe += densElemRe*vecElemRe - densElemIm*vecElemIm;</div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>&#160;                rowSumIm += densElemRe*vecElemIm + densElemIm*vecElemRe;</div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>&#160;            }</div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>&#160;        </div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>&#160;            globalSumRe += rowSumRe*prefacRe - rowSumIm*prefacIm;   </div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>&#160;        }</div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>&#160;    }</div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>&#160;    </div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>&#160;    <span class="keywordflow">return</span> globalSumRe;</div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>&#160;}</div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>&#160; </div>
<div class="line"><a name="l01071"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a6fbb3b693f25dde1e9e3dc87dc1984f7"> 1071</a></span>&#160;<a class="code" href="structComplex.html">Complex</a> <a class="code" href="QuEST__cpu_8c.html#a6fbb3b693f25dde1e9e3dc87dc1984f7">statevec_calcInnerProductLocal</a>(<a class="code" href="structQureg.html">Qureg</a> bra, <a class="code" href="structQureg.html">Qureg</a> ket) {</div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>&#160;    </div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> innerProdReal = 0;</div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> innerProdImag = 0;</div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>&#160;    </div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = bra.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *braVecReal = bra.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *braVecImag = bra.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *ketVecReal = ket.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *ketVecImag = ket.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>&#160;    </div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> braRe, braIm, ketRe, ketIm;</div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>&#160;    </div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>&#160;<span class="preprocessor">    shared    (braVecReal, braVecImag, ketVecReal, ketVecImag, numAmps) \</span></div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>&#160;<span class="preprocessor">    private   (index, braRe, braIm, ketRe, ketIm) \</span></div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>&#160;<span class="preprocessor">    reduction ( +:innerProdReal, innerProdImag )</span></div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>&#160;    {</div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>&#160;        <span class="keywordflow">for</span> (index=0; index &lt; numAmps; index++) {</div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>&#160;            braRe = braVecReal[index];</div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>&#160;            braIm = braVecImag[index];</div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>&#160;            ketRe = ketVecReal[index];</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>&#160;            ketIm = ketVecImag[index];</div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>&#160;            </div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>&#160;            <span class="comment">// conj(bra_i) * ket_i</span></div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>&#160;            innerProdReal += braRe*ketRe + braIm*ketIm;</div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>&#160;            innerProdImag += braRe*ketIm - braIm*ketRe;</div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>&#160;        }</div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>&#160;    }</div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>&#160;    </div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>&#160;    <a class="code" href="structComplex.html">Complex</a> innerProd;</div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>&#160;    innerProd.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a> = innerProdReal;</div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>&#160;    innerProd.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a> = innerProdImag;</div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>&#160;    <span class="keywordflow">return</span> innerProd;</div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>&#160;}</div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>&#160; </div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>&#160; </div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>&#160; </div>
<div class="line"><a name="l01115"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a20a155f53efc45c16803d7539c2c199d"> 1115</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a20a155f53efc45c16803d7539c2c199d">densmatr_initClassicalState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateInd)</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>&#160;{</div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>&#160;    <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> densityNumElems = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>&#160; </div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>&#160;    <span class="comment">// Can&#39;t use qureg-&gt;stateVec as a private OMP var</span></div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *densityReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *densityImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>&#160; </div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>&#160;    <span class="comment">// initialise the state to all zeros</span></div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>&#160;<span class="preprocessor">    shared   (densityNumElems, densityReal, densityImag) \</span></div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>&#160;<span class="preprocessor">    private  (index) </span></div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>&#160;    {</div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>&#160;        <span class="keywordflow">for</span> (index=0; index&lt;densityNumElems; index++) {</div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>&#160;            densityReal[index] = 0.0;</div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>&#160;            densityImag[index] = 0.0;</div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>&#160;        }</div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>&#160;    }</div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>&#160;    </div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>&#160;    <span class="comment">// index of the single density matrix elem to set non-zero</span></div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> densityDim = 1LL &lt;&lt; qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> densityInd = (densityDim + 1)*stateInd;</div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>&#160; </div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>&#160;    <span class="comment">// give the specified classical state prob 1</span></div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>&#160;    <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> == densityInd / densityNumElems){</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>&#160;        densityReal[densityInd % densityNumElems] = 1.0;</div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>&#160;        densityImag[densityInd % densityNumElems] = 0.0;</div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>&#160;    }</div>
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>&#160;}</div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>&#160; </div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>&#160; </div>
<div class="line"><a name="l01154"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ad5b2ac0b00afa495f385520b2c5fa839"> 1154</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ad5b2ac0b00afa495f385520b2c5fa839">densmatr_initPlusState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg)</div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>&#160;{</div>
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>&#160;    <span class="comment">// |+&gt;&lt;+| = sum_i 1/sqrt(2^N) |i&gt; 1/sqrt(2^N) &lt;j| = sum_ij 1/2^N |i&gt;&lt;j|</span></div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> dim = (1LL &lt;&lt; qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> probFactor = 1.0/((<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>) dim);</div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>&#160; </div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>&#160;    <span class="comment">// Can&#39;t use qureg-&gt;stateVec as a private OMP var</span></div>
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *densityReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *densityImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>&#160; </div>
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>&#160;    <span class="comment">// initialise the state to |+++..+++&gt; = 1/normFactor {1, 1, 1, ...}</span></div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>&#160;<span class="preprocessor">    shared   (chunkSize, densityReal, densityImag, probFactor) \</span></div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>&#160;<span class="preprocessor">    private  (index) </span></div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>&#160;    {</div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>&#160;        <span class="keywordflow">for</span> (index=0; index&lt;chunkSize; index++) {</div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>&#160;            densityReal[index] = probFactor;</div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>&#160;            densityImag[index] = 0.0;</div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>&#160;        }</div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>&#160;    }</div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>&#160;}</div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>&#160; </div>
<div class="line"><a name="l01184"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a1b36518c8fbbc3a5084bb4ad1fb05ea5"> 1184</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a1b36518c8fbbc3a5084bb4ad1fb05ea5">densmatr_initPureStateLocal</a>(<a class="code" href="structQureg.html">Qureg</a> targetQureg, <a class="code" href="structQureg.html">Qureg</a> copyQureg) {</div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>&#160;    </div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>&#160;    <span class="comment">/* copyQureg amps aren&#39;t explicitly used - they&#39;re accessed through targetQureg.pair,</span></div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>&#160;<span class="comment">     * which contains the full pure statevector.</span></div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>&#160;<span class="comment">     * targetQureg has as many columns on node as copyQureg has amps</span></div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>&#160;    </div>
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> colOffset = targetQureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> * copyQureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> colsPerNode = copyQureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> rowsPerNode = copyQureg.<a class="code" href="structQureg.html#adef4935cac95763c29164cf99b144ed4">numAmpsTotal</a>;</div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>&#160;    </div>
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>&#160;    <span class="comment">// unpack vars for OpenMP</span></div>
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecRe = targetQureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real;</div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecIm = targetQureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag;</div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* densRe = targetQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* densIm = targetQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>&#160;    </div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> col, row, index;</div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>&#160;    </div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>&#160;    <span class="comment">// a_i conj(a_j) |i&gt;&lt;j|</span></div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> ketRe, ketIm, braRe, braIm;</div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>&#160;    </div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>&#160;<span class="preprocessor">    shared   (colOffset, colsPerNode,rowsPerNode, vecRe,vecIm,densRe,densIm) \</span></div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>&#160;<span class="preprocessor">    private  (col,row, ketRe,ketIm,braRe,braIm, index) </span></div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>&#160;    {</div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>&#160;        <span class="comment">// local column</span></div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>&#160;        <span class="keywordflow">for</span> (col=0; col &lt; colsPerNode; col++) {</div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>&#160;        </div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>&#160;            <span class="comment">// global row</span></div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>&#160;            <span class="keywordflow">for</span> (row=0; row &lt; rowsPerNode; row++) {</div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>&#160;            </div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>&#160;                <span class="comment">// get pure state amps</span></div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>&#160;                ketRe = vecRe[row];</div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>&#160;                ketIm = vecIm[row];</div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>&#160;                braRe =   vecRe[col + colOffset];</div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>&#160;                braIm = - vecIm[col + colOffset]; <span class="comment">// minus for conjugation</span></div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>&#160;            </div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>&#160;                <span class="comment">// update density matrix</span></div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>&#160;                index = row + col*rowsPerNode; <span class="comment">// local ind</span></div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>&#160;                densRe[index] = ketRe*braRe - ketIm*braIm;</div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>&#160;                densIm[index] = ketRe*braIm + ketIm*braRe;</div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>&#160;            }</div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>&#160;        }</div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>&#160;    }</div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>&#160;}</div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>&#160; </div>
<div class="line"><a name="l01237"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#aa121d55f2ca09c06a96ddcd433c60b0f"> 1237</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aa121d55f2ca09c06a96ddcd433c60b0f">statevec_setAmps</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> startInd, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* reals, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* imags, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps) {</div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>&#160;    </div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>&#160;    <span class="comment">/* this is actually distributed, since the user&#39;s code runs on every node */</span></div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>&#160;    </div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>&#160;    <span class="comment">// local start/end indices of the given amplitudes, assuming they fit in this chunk</span></div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>&#160;    <span class="comment">// these may be negative or above qureg.numAmpsPerChunk</span></div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localStartInd = startInd - qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localEndInd = localStartInd + numAmps; <span class="comment">// exclusive</span></div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>&#160;    </div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>&#160;    <span class="comment">// add this to a local index to get corresponding elem in reals &amp; imags</span></div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> offset = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> - startInd;</div>
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>&#160;    </div>
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>&#160;    <span class="comment">// restrict these indices to fit into this chunk</span></div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>&#160;    <span class="keywordflow">if</span> (localStartInd &lt; 0)</div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>&#160;        localStartInd = 0;</div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>&#160;    <span class="keywordflow">if</span> (localEndInd &gt; qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>)</div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>&#160;        localEndInd = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>&#160;    <span class="comment">// they may now be out of order = no iterations</span></div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>&#160;    </div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>&#160;    <span class="comment">// unpacking OpenMP vars</span></div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>&#160;    </div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>&#160;<span class="preprocessor">    shared   (localStartInd,localEndInd, vecRe,vecIm, reals,imags, offset) \</span></div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>&#160;<span class="preprocessor">    private  (index) </span></div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>&#160;    {</div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>&#160;        <span class="comment">// iterate these local inds - this might involve no iterations</span></div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>&#160;        <span class="keywordflow">for</span> (index=localStartInd; index &lt; localEndInd; index++) {</div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>&#160;            vecRe[index] = reals[index + offset];</div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>&#160;            vecIm[index] = imags[index + offset];</div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>&#160;        }</div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>&#160;    }</div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>&#160;}</div>
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>&#160; </div>
<div class="line"><a name="l01279"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a365bbb1b80cb00405c8bf1a4fa1ea8e5"> 1279</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a365bbb1b80cb00405c8bf1a4fa1ea8e5">statevec_createQureg</a>(<a class="code" href="structQureg.html">Qureg</a> *qureg, <span class="keywordtype">int</span> numQubits, <a class="code" href="structQuESTEnv.html">QuESTEnv</a> env)</div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>&#160;{</div>
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = 1LL &lt;&lt; numQubits;</div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmpsPerRank = numAmps/env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>;</div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>&#160;    </div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>&#160;    <span class="keywordflow">if</span> (numAmpsPerRank &gt; SIZE_MAX) {</div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>&#160;        printf(<span class="stringliteral">&quot;Could not allocate memory (cannot fit numAmps into size_t)!&quot;</span>);</div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>&#160;        exit (EXIT_FAILURE);</div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>&#160;    }</div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>&#160; </div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>&#160;    <span class="keywordtype">size_t</span> arrSize = (size_t) (numAmpsPerRank * <span class="keyword">sizeof</span>(*(qureg-&gt;<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real)));</div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>&#160;    qureg-&gt;<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real = malloc(arrSize);</div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>&#160;    qureg-&gt;<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag = malloc(arrSize);</div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>&#160;    <span class="keywordflow">if</span> (env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>&gt;1){</div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>&#160;        qureg-&gt;<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real = malloc(arrSize);</div>
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>&#160;        qureg-&gt;<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag = malloc(arrSize);</div>
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>&#160;    }</div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>&#160; </div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>&#160;    <span class="keywordflow">if</span> ( (!(qureg-&gt;<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real) || !(qureg-&gt;<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag))</div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>&#160;            &amp;&amp; numAmpsPerRank ) {</div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>&#160;        printf(<span class="stringliteral">&quot;Could not allocate memory!&quot;</span>);</div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>&#160;        exit (EXIT_FAILURE);</div>
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>&#160;    }</div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>&#160; </div>
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>&#160;    <span class="keywordflow">if</span> ( env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>&gt;1 &amp;&amp; (!(qureg-&gt;<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real) || !(qureg-&gt;<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag))</div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>&#160;            &amp;&amp; numAmpsPerRank ) {</div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>&#160;        printf(<span class="stringliteral">&quot;Could not allocate memory!&quot;</span>);</div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>&#160;        exit (EXIT_FAILURE);</div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>&#160;    }</div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>&#160; </div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>&#160;    qureg-&gt;<a class="code" href="structQureg.html#a0a86e8a50ea8c998b4a0a6640c5a1218">numQubitsInStateVec</a> = numQubits;</div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>&#160;    qureg-&gt;<a class="code" href="structQureg.html#adef4935cac95763c29164cf99b144ed4">numAmpsTotal</a> = numAmps;</div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>&#160;    qureg-&gt;<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> = numAmpsPerRank;</div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>&#160;    qureg-&gt;<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> = env.<a class="code" href="structQuESTEnv.html#aa648bb336cf8598467cb62db00b9cee8">rank</a>;</div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>&#160;    qureg-&gt;<a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a> = env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>;</div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>&#160;    qureg-&gt;<a class="code" href="structQureg.html#acf78445e9435d09f44f0cc832c6aee79">isDensityMatrix</a> = 0;</div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>&#160;}</div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>&#160; </div>
<div class="line"><a name="l01317"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a2a52ad9f9ad9b2fd6a76f6d433b3b217"> 1317</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a2a52ad9f9ad9b2fd6a76f6d433b3b217">statevec_destroyQureg</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structQuESTEnv.html">QuESTEnv</a> env){</div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>&#160; </div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>&#160;    qureg.<a class="code" href="structQureg.html#a0a86e8a50ea8c998b4a0a6640c5a1218">numQubitsInStateVec</a> = 0;</div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>&#160;    qureg.<a class="code" href="structQureg.html#adef4935cac95763c29164cf99b144ed4">numAmpsTotal</a> = 0;</div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>&#160;    qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> = 0;</div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>&#160; </div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>&#160;    free(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real);</div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>&#160;    free(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag);</div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>&#160;    <span class="keywordflow">if</span> (env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>&gt;1){</div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>&#160;        free(qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real);</div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>&#160;        free(qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag);</div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>&#160;    }</div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>&#160;    qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real = NULL;</div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>&#160;    qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag = NULL;</div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>&#160;    qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real = NULL;</div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>&#160;    qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag = NULL;</div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>&#160;}</div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>&#160; </div>
<div class="line"><a name="l01335"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a0b84e6766bd682708e6211276ff0a5bb"> 1335</a></span>&#160;<a class="code" href="structDiagonalOp.html">DiagonalOp</a> <a class="code" href="QuEST__cpu_8c.html#a0b84e6766bd682708e6211276ff0a5bb">agnostic_createDiagonalOp</a>(<span class="keywordtype">int</span> numQubits, <a class="code" href="structQuESTEnv.html">QuESTEnv</a> env) {</div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>&#160; </div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>&#160;    <span class="comment">// the 2^numQubits values will be evenly split between the env.numRanks nodes</span></div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>&#160;    <a class="code" href="structDiagonalOp.html">DiagonalOp</a> op;</div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>&#160;    op.<a class="code" href="structDiagonalOp.html#a5131eeb67aafb4c19ac98270c3266742">numQubits</a> = numQubits;</div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>&#160;    op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a> = (1LL &lt;&lt; numQubits) / env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>;</div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>&#160;    op.<a class="code" href="structDiagonalOp.html#aa91713a22c95a383bba55e56c4a4e37a">chunkId</a> = env.<a class="code" href="structQuESTEnv.html#aa648bb336cf8598467cb62db00b9cee8">rank</a>;</div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>&#160;    op.<a class="code" href="structDiagonalOp.html#ada3bffa8e414f883e415dd74e46cd879">numChunks</a> = env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>;</div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>&#160; </div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>&#160;    <span class="comment">// allocate CPU memory (initialised to zero)</span></div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>&#160;    op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a> = (<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>*) calloc(op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a>, <span class="keyword">sizeof</span>(<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>));</div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>&#160;    op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a> = (<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>*) calloc(op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a>, <span class="keyword">sizeof</span>(<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>));</div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>&#160; </div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>&#160;    <span class="comment">// check cpu memory allocation was successful</span></div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>&#160;    <span class="keywordflow">if</span> ( !op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a> || !op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a> ) {</div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>&#160;        printf(<span class="stringliteral">&quot;Could not allocate memory!\n&quot;</span>);</div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>&#160;        exit(EXIT_FAILURE);</div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>&#160;    }</div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>&#160; </div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>&#160;    <span class="keywordflow">return</span> op;</div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>&#160;}</div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>&#160; </div>
<div class="line"><a name="l01357"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#af798bb01f922804016c4c5bc8d0a580f"> 1357</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#af798bb01f922804016c4c5bc8d0a580f">agnostic_destroyDiagonalOp</a>(<a class="code" href="structDiagonalOp.html">DiagonalOp</a> op) {</div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>&#160;    free(op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a>);</div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>&#160;    free(op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a>);</div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>&#160;}</div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>&#160; </div>
<div class="line"><a name="l01362"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a1e8f917ab42d38d8c37ba6816b24f2f5"> 1362</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a1e8f917ab42d38d8c37ba6816b24f2f5">agnostic_syncDiagonalOp</a>(<a class="code" href="structDiagonalOp.html">DiagonalOp</a> op) {</div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>&#160;    <span class="comment">// nothing to do on CPU</span></div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>&#160;}</div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>&#160; </div>
<div class="line"><a name="l01366"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a1e57230c7995447039e62a84c0a36524"> 1366</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a1e57230c7995447039e62a84c0a36524">statevec_reportStateToScreen</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structQuESTEnv.html">QuESTEnv</a> env, <span class="keywordtype">int</span> reportRank){</div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>&#160;    <span class="keywordtype">int</span> rank;</div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>&#160;    <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#a0a86e8a50ea8c998b4a0a6640c5a1218">numQubitsInStateVec</a>&lt;=5){</div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>&#160;        <span class="keywordflow">for</span> (rank=0; rank&lt;qureg.<a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>; rank++){</div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>&#160;            <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>==rank){</div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>&#160;                <span class="keywordflow">if</span> (reportRank) {</div>
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>&#160;                    printf(<span class="stringliteral">&quot;Reporting state from rank %d [\n&quot;</span>, qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>);</div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>&#160;                    printf(<span class="stringliteral">&quot;real, imag\n&quot;</span>);</div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>&#160;                } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (rank==0) {</div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>&#160;                    printf(<span class="stringliteral">&quot;Reporting state [\n&quot;</span>);</div>
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>&#160;                    printf(<span class="stringliteral">&quot;real, imag\n&quot;</span>);</div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>&#160;                }</div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>&#160; </div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>&#160;                <span class="keywordflow">for</span>(index=0; index&lt;qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>; index++){</div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>&#160;                    <span class="comment">//printf(REAL_STRING_FORMAT &quot;, &quot; REAL_STRING_FORMAT &quot;\n&quot;, qureg.pairStateVec.real[index], qureg.pairStateVec.imag[index]);</span></div>
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>&#160;                    printf(REAL_STRING_FORMAT <span class="stringliteral">&quot;, &quot;</span> REAL_STRING_FORMAT <span class="stringliteral">&quot;\n&quot;</span>, qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[index], qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[index]);</div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>&#160;                }</div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>&#160;                <span class="keywordflow">if</span> (reportRank || rank==qureg.<a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>-1) printf(<span class="stringliteral">&quot;]\n&quot;</span>);</div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>&#160;            }</div>
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>&#160;            <a class="code" href="group__debug.html#ga8d31fe2d1ad4d01e2a1f5f6b8bc15b77">syncQuESTEnv</a>(env);</div>
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>&#160;        }</div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>&#160;    } <span class="keywordflow">else</span> printf(<span class="stringliteral">&quot;Error: reportStateToScreen will not print output for systems of more than 5 qubits.\n&quot;</span>);</div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>&#160;}</div>
<div class="line"><a name="l01390"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a6870e335f2a78b724f603cd9f820b9ab"> 1390</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a6870e335f2a78b724f603cd9f820b9ab">statevec_getEnvironmentString</a>(<a class="code" href="structQuESTEnv.html">QuESTEnv</a> env, <a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">char</span> str[200]){</div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>&#160;    <span class="keywordtype">int</span> numThreads=1;</div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>&#160;    numThreads=omp_get_max_threads(); </div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>&#160;    sprintf(str, <span class="stringliteral">&quot;%dqubits_CPU_%dranksx%dthreads&quot;</span>, qureg.<a class="code" href="structQureg.html#a0a86e8a50ea8c998b4a0a6640c5a1218">numQubitsInStateVec</a>, env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>, numThreads);</div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>&#160;}</div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>&#160; </div>
<div class="line"><a name="l01398"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a758bad4237ff0bf3b4ff5be626a982ae"> 1398</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a758bad4237ff0bf3b4ff5be626a982ae">statevec_initBlankState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg)</div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>&#160;{</div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>&#160; </div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>&#160;    <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>&#160;    stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>&#160; </div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>&#160;    <span class="comment">// Can&#39;t use qureg-&gt;stateVec as a private OMP var</span></div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>&#160; </div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>&#160;    <span class="comment">// initialise the state-vector to all-zeroes</span></div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>&#160;<span class="preprocessor">    shared   (stateVecSize, stateVecReal, stateVecImag) \</span></div>
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>&#160;<span class="preprocessor">    private  (index) </span></div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>&#160;    {</div>
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>&#160;        <span class="keywordflow">for</span> (index=0; index&lt;stateVecSize; index++) {</div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>&#160;            stateVecReal[index] = 0.0;</div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>&#160;            stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>&#160;        }</div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>&#160;    }</div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>&#160;}</div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>&#160; </div>
<div class="line"><a name="l01428"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a2ca0c6ba07ab2b4b437321bf17efc966"> 1428</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a2ca0c6ba07ab2b4b437321bf17efc966">statevec_initZeroState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg)</div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>&#160;{</div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>&#160;    <a class="code" href="QuEST__cpu_8c.html#a758bad4237ff0bf3b4ff5be626a982ae">statevec_initBlankState</a>(qureg);</div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>&#160;    <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>==0){</div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>&#160;        <span class="comment">// zero state |0000..0000&gt; has probability 1</span></div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>&#160;        qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[0] = 1.0;</div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>&#160;        qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[0] = 0.0;</div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>&#160;    }</div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>&#160;}</div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>&#160; </div>
<div class="line"><a name="l01438"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a482fc361fd5f08075404c72e536316a0"> 1438</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a482fc361fd5f08075404c72e536316a0">statevec_initPlusState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg)</div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>&#160;{</div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize, stateVecSize;</div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>&#160; </div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>&#160;    <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>&#160;    chunkSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>&#160;    stateVecSize = chunkSize*qureg.<a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>;</div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> normFactor = 1.0/sqrt((<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>)stateVecSize);</div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>&#160; </div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>&#160;    <span class="comment">// Can&#39;t use qureg-&gt;stateVec as a private OMP var</span></div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>&#160; </div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>&#160;    <span class="comment">// initialise the state to |+++..+++&gt; = 1/normFactor {1, 1, 1, ...}</span></div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>&#160;<span class="preprocessor">    shared   (chunkSize, stateVecReal, stateVecImag, normFactor) \</span></div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>&#160;<span class="preprocessor">    private  (index) </span></div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>&#160;    {</div>
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>&#160;        <span class="keywordflow">for</span> (index=0; index&lt;chunkSize; index++) {</div>
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>&#160;            stateVecReal[index] = normFactor;</div>
<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>&#160;            stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>&#160;        }</div>
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>&#160;    }</div>
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>&#160;}</div>
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>&#160; </div>
<div class="line"><a name="l01470"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a288dc4b46bdacd69cbf4a6fd070d26a7"> 1470</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a288dc4b46bdacd69cbf4a6fd070d26a7">statevec_initClassicalState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateInd)</div>
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>&#160;{</div>
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>&#160; </div>
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>&#160;    <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>&#160;    stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>&#160; </div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>&#160;    <span class="comment">// Can&#39;t use qureg-&gt;stateVec as a private OMP var</span></div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>&#160; </div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>&#160;    <span class="comment">// initialise the state to vector to all zeros</span></div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>&#160;<span class="preprocessor">    shared   (stateVecSize, stateVecReal, stateVecImag) \</span></div>
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>&#160;<span class="preprocessor">    private  (index) </span></div>
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>&#160;    {</div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>&#160;        <span class="keywordflow">for</span> (index=0; index&lt;stateVecSize; index++) {</div>
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>&#160;            stateVecReal[index] = 0.0;</div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>&#160;            stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>&#160;        }</div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>&#160;    }</div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>&#160; </div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>&#160;    <span class="comment">// give the specified classical state prob 1</span></div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>&#160;    <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> == stateInd/stateVecSize){</div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>&#160;        stateVecReal[stateInd % stateVecSize] = 1.0;</div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>&#160;        stateVecImag[stateInd % stateVecSize] = 0.0;</div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>&#160;    }</div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>&#160;}</div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>&#160; </div>
<div class="line"><a name="l01506"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#aa4b77089145184d990848cd66993aa8b"> 1506</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aa4b77089145184d990848cd66993aa8b">statevec_cloneQureg</a>(<a class="code" href="structQureg.html">Qureg</a> targetQureg, <a class="code" href="structQureg.html">Qureg</a> copyQureg) {</div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>&#160;    </div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>&#160;    <span class="comment">// registers are equal sized, so nodes hold the same state-vector partitions</span></div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>&#160; </div>
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>&#160;    <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>&#160;    stateVecSize = targetQureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>&#160; </div>
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>&#160;    <span class="comment">// Can&#39;t use qureg-&gt;stateVec as a private OMP var</span></div>
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *targetStateVecReal = targetQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *targetStateVecImag = targetQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *copyStateVecReal = copyQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *copyStateVecImag = copyQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>&#160; </div>
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>&#160;    <span class="comment">// initialise the state to |0000..0000&gt;</span></div>
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>&#160;<span class="preprocessor">    shared   (stateVecSize, targetStateVecReal, targetStateVecImag, copyStateVecReal, copyStateVecImag) \</span></div>
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>&#160;<span class="preprocessor">    private  (index) </span></div>
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>&#160;    {</div>
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>&#160;        <span class="keywordflow">for</span> (index=0; index&lt;stateVecSize; index++) {</div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>&#160;            targetStateVecReal[index] = copyStateVecReal[index];</div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>&#160;            targetStateVecImag[index] = copyStateVecImag[index];</div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>&#160;        }</div>
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>&#160;    }</div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>&#160;}</div>
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>&#160; </div>
<div class="line"><a name="l01545"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a923906770cac0da9e3459bae58de9e64"> 1545</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a923906770cac0da9e3459bae58de9e64">statevec_initStateOfSingleQubit</a>(<a class="code" href="structQureg.html">Qureg</a> *qureg, <span class="keywordtype">int</span> qubitId, <span class="keywordtype">int</span> outcome)</div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>&#160;{</div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize, stateVecSize;</div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>&#160;    <span class="keywordtype">int</span> bit;</div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg-&gt;<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>&#160; </div>
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>&#160;    <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>&#160;    chunkSize = qureg-&gt;<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>&#160;    stateVecSize = chunkSize*qureg-&gt;<a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>;</div>
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> normFactor = 1.0/sqrt((<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>)stateVecSize/2.0);</div>
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>&#160; </div>
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>&#160;    <span class="comment">// Can&#39;t use qureg-&gt;stateVec as a private OMP var</span></div>
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg-&gt;<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg-&gt;<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>&#160; </div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>&#160;    <span class="comment">// initialise the state to |0000..0000&gt;</span></div>
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>&#160;<span class="preprocessor">    shared   (chunkSize, stateVecReal, stateVecImag, normFactor, qubitId, outcome, chunkId) \</span></div>
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>&#160;<span class="preprocessor">    private  (index, bit)</span></div>
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>&#160;    {</div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>&#160;        <span class="keywordflow">for</span> (index=0; index&lt;chunkSize; index++) {</div>
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>&#160;            bit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubitId, index+chunkId*chunkSize);</div>
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>&#160;            <span class="keywordflow">if</span> (bit==outcome) {</div>
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>&#160;                stateVecReal[index] = normFactor;</div>
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>&#160;                stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>&#160;            } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>&#160;                stateVecReal[index] = 0.0;</div>
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>&#160;                stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>&#160;            }</div>
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>&#160;        }</div>
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>&#160;    }</div>
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>&#160;}</div>
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>&#160; </div>
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>&#160; </div>
<div class="line"><a name="l01591"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ad9fd3017ea40cf63fd04b39e03494972"> 1591</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ad9fd3017ea40cf63fd04b39e03494972">statevec_initDebugState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg)</div>
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>&#160;{</div>
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize;</div>
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> indexOffset;</div>
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>&#160; </div>
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>&#160;    <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>&#160;    chunkSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>&#160; </div>
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>&#160;    <span class="comment">// Can&#39;t use qureg-&gt;stateVec as a private OMP var</span></div>
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>&#160; </div>
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>&#160;    indexOffset = chunkSize * qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>&#160; </div>
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>&#160;    <span class="comment">// initialise the state to |0000..0000&gt;</span></div>
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>&#160;<span class="preprocessor">    shared   (chunkSize, stateVecReal, stateVecImag, indexOffset) \</span></div>
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>&#160;<span class="preprocessor">    private  (index) </span></div>
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>&#160;    {</div>
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>&#160;        <span class="keywordflow">for</span> (index=0; index&lt;chunkSize; index++) {</div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>&#160;            stateVecReal[index] = ((indexOffset + index)*2.0)/10.0;</div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>&#160;            stateVecImag[index] = ((indexOffset + index)*2.0+1.0)/10.0;</div>
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>&#160;        }</div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>&#160;    }</div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>&#160;}</div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>&#160; </div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>&#160;<span class="comment">// returns 1 if successful, else 0</span></div>
<div class="line"><a name="l01625"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a05756b45f10135bb2eeb07380f806c20"> 1625</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="QuEST__cpu_8c.html#a05756b45f10135bb2eeb07380f806c20">statevec_initStateFromSingleFile</a>(<a class="code" href="structQureg.html">Qureg</a> *qureg, <span class="keywordtype">char</span> filename[200], <a class="code" href="structQuESTEnv.html">QuESTEnv</a> env){</div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize, stateVecSize;</div>
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> indexInChunk, totalIndex;</div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>&#160; </div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>&#160;    chunkSize = qureg-&gt;<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>&#160;    stateVecSize = chunkSize*qureg-&gt;<a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>;</div>
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>&#160; </div>
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg-&gt;<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg-&gt;<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>&#160; </div>
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>&#160;    FILE *fp;</div>
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>&#160;    <span class="keywordtype">char</span> line[200];</div>
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>&#160; </div>
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> rank=0; rank&lt;(qureg-&gt;<a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>); rank++){</div>
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>&#160;        <span class="keywordflow">if</span> (rank==qureg-&gt;<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>){</div>
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>&#160;            fp = fopen(filename, <span class="stringliteral">&quot;r&quot;</span>);</div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>&#160;            </div>
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>&#160;            <span class="comment">// indicate file open failure</span></div>
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>&#160;            <span class="keywordflow">if</span> (fp == NULL)</div>
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>&#160;                <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>&#160;            </div>
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>&#160;            indexInChunk = 0; totalIndex = 0;</div>
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>&#160;            <span class="keywordflow">while</span> (fgets(line, <span class="keyword">sizeof</span>(<span class="keywordtype">char</span>)*200, fp) != NULL &amp;&amp; totalIndex&lt;stateVecSize){</div>
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>&#160;                <span class="keywordflow">if</span> (line[0]!=<span class="charliteral">&#39;#&#39;</span>){</div>
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>&#160;                    <span class="keywordtype">int</span> chunkId = (int) (totalIndex/chunkSize);</div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>&#160;                    <span class="keywordflow">if</span> (chunkId==qureg-&gt;<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>){</div>
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>&#160;<span class="preprocessor">                        # if QuEST_PREC==1</span></div>
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>&#160;                        sscanf(line, <span class="stringliteral">&quot;%f, %f&quot;</span>, &amp;(stateVecReal[indexInChunk]), </div>
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>&#160;                                &amp;(stateVecImag[indexInChunk])); </div>
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>&#160;<span class="preprocessor">                        # elif QuEST_PREC==2                    </span></div>
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>&#160;                        sscanf(line, <span class="stringliteral">&quot;%lf, %lf&quot;</span>, &amp;(stateVecReal[indexInChunk]), </div>
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>&#160;                                &amp;(stateVecImag[indexInChunk]));</div>
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>&#160;<span class="preprocessor">                        # elif QuEST_PREC==4</span></div>
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>&#160;                        sscanf(line, <span class="stringliteral">&quot;%Lf, %Lf&quot;</span>, &amp;(stateVecReal[indexInChunk]), </div>
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>&#160;                                &amp;(stateVecImag[indexInChunk]));</div>
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>&#160;<span class="preprocessor">                        # endif</span></div>
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>&#160;                        indexInChunk += 1;</div>
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>&#160;                    }</div>
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>&#160;                    totalIndex += 1;</div>
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>&#160;                }</div>
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>&#160;            }   </div>
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>&#160;            fclose(fp);</div>
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>&#160;        }</div>
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>&#160;        <a class="code" href="group__debug.html#ga8d31fe2d1ad4d01e2a1f5f6b8bc15b77">syncQuESTEnv</a>(env);</div>
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>&#160;    }</div>
<div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>&#160;    </div>
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>&#160;    <span class="comment">// indicate success</span></div>
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>&#160;    <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>&#160;}</div>
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>&#160; </div>
<div class="line"><a name="l01675"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ae6cecbad32a03416138b321cdc1a2c33"> 1675</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="QuEST__cpu_8c.html#ae6cecbad32a03416138b321cdc1a2c33">statevec_compareStates</a>(<a class="code" href="structQureg.html">Qureg</a> mq1, <a class="code" href="structQureg.html">Qureg</a> mq2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> precision){</div>
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> diff;</div>
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize = mq1.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>&#160;    </div>
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> i=0; i&lt;chunkSize; i++){</div>
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>&#160;        diff = absReal(mq1.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[i] - mq2.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[i]);</div>
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>&#160;        <span class="keywordflow">if</span> (diff&gt;precision) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>&#160;        diff = absReal(mq1.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[i] - mq2.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[i]);</div>
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>&#160;        <span class="keywordflow">if</span> (diff&gt;precision) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>&#160;    }</div>
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>&#160;    <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>&#160;}</div>
<div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>&#160; </div>
<div class="line"><a name="l01688"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a5ddfdb22e4704b680d67d08d9e80835b"> 1688</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a5ddfdb22e4704b680d67d08d9e80835b">statevec_compactUnitaryLocal</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="structComplex.html">Complex</a> alpha, <a class="code" href="structComplex.html">Complex</a> beta)</div>
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>&#160;{</div>
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>&#160;         indexUp,indexLo;    <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>&#160; </div>
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>&#160; </div>
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>&#160;    sizeHalfBlock = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>&#160;    sizeBlock     = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>&#160; </div>
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>&#160;    <span class="comment">// Can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> alphaImag=alpha.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>, alphaReal=alpha.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> betaImag=beta.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>, betaReal=beta.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>&#160; </div>
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>&#160;<span class="preprocessor">    shared   (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, alphaReal,alphaImag, betaReal,betaImag, numTasks) \</span></div>
<div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>&#160;<span class="preprocessor">    private  (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>&#160;    {</div>
<div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>&#160; </div>
<div class="line"><a name="l01720"></a><span class="lineno"> 1720</span>&#160;            thisBlock   = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l01721"></a><span class="lineno"> 1721</span>&#160;            indexUp     = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>&#160;            indexLo     = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>&#160; </div>
<div class="line"><a name="l01724"></a><span class="lineno"> 1724</span>&#160;            <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>&#160;            stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>&#160;            stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l01727"></a><span class="lineno"> 1727</span>&#160; </div>
<div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>&#160;            stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>&#160;            stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>&#160; </div>
<div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>&#160;            <span class="comment">// state[indexUp] = alpha * state[indexUp] - conj(beta)  * state[indexLo]</span></div>
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>&#160;            stateVecReal[indexUp] = alphaReal*stateRealUp - alphaImag*stateImagUp </div>
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>&#160;                - betaReal*stateRealLo - betaImag*stateImagLo;</div>
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>&#160;            stateVecImag[indexUp] = alphaReal*stateImagUp + alphaImag*stateRealUp </div>
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>&#160;                - betaReal*stateImagLo + betaImag*stateRealLo;</div>
<div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>&#160; </div>
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>&#160;            <span class="comment">// state[indexLo] = beta  * state[indexUp] + conj(alpha) * state[indexLo]</span></div>
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>&#160;            stateVecReal[indexLo] = betaReal*stateRealUp - betaImag*stateImagUp </div>
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>&#160;                + alphaReal*stateRealLo + alphaImag*stateImagLo;</div>
<div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>&#160;            stateVecImag[indexLo] = betaReal*stateImagUp + betaImag*stateRealUp </div>
<div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>&#160;                + alphaReal*stateImagLo - alphaImag*stateRealLo;</div>
<div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>&#160;        } </div>
<div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>&#160;    }</div>
<div class="line"><a name="l01744"></a><span class="lineno"> 1744</span>&#160; </div>
<div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>&#160;} </div>
<div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>&#160; </div>
<div class="line"><a name="l01747"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#af8236a00389137b5eff986a40577eaf3"> 1747</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#af8236a00389137b5eff986a40577eaf3">statevec_multiControlledTwoQubitUnitaryLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ctrlMask, <span class="keywordtype">int</span> q1, <span class="keywordtype">int</span> q2, <a class="code" href="structComplexMatrix4.html">ComplexMatrix4</a> u) {</div>
<div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>&#160; </div>
<div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>&#160;    <span class="comment">// can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l01750"></a><span class="lineno"> 1750</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *reVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *imVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01752"></a><span class="lineno"> 1752</span>&#160;    </div>
<div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>&#160;    <span class="comment">// the global (between all nodes) index of this node&#39;s start index</span></div>
<div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalIndStart = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>; </div>
<div class="line"><a name="l01755"></a><span class="lineno"> 1755</span>&#160;    </div>
<div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> &gt;&gt; 2; <span class="comment">// each iteration updates 4 amplitudes</span></div>
<div class="line"><a name="l01757"></a><span class="lineno"> 1757</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisGlobalInd00;</div>
<div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ind00, ind01, ind10, ind11;</div>
<div class="line"><a name="l01760"></a><span class="lineno"> 1760</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> re00, re01, re10, re11;</div>
<div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> im00, im01, im10, im11;</div>
<div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>&#160;    </div>
<div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01765"></a><span class="lineno"> 1765</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>&#160;<span class="preprocessor">    shared   (reVec,imVec,globalIndStart,numTasks,ctrlMask,u,q2,q1) \</span></div>
<div class="line"><a name="l01767"></a><span class="lineno"> 1767</span>&#160;<span class="preprocessor">    private  (thisTask, thisGlobalInd00, ind00,ind01,ind10,ind11, re00,re01,re10,re11, im00,im01,im10,im11)</span></div>
<div class="line"><a name="l01768"></a><span class="lineno"> 1768</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>&#160;    {</div>
<div class="line"><a name="l01770"></a><span class="lineno"> 1770</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01771"></a><span class="lineno"> 1771</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01772"></a><span class="lineno"> 1772</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01773"></a><span class="lineno"> 1773</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l01774"></a><span class="lineno"> 1774</span>&#160;            </div>
<div class="line"><a name="l01775"></a><span class="lineno"> 1775</span>&#160;            <span class="comment">// determine ind00 of |..0..0..&gt;</span></div>
<div class="line"><a name="l01776"></a><span class="lineno"> 1776</span>&#160;            ind00 = <a class="code" href="QuEST__gpu_8cu.html#a4760109974e9b52c60e9d60ccded3138">insertTwoZeroBits</a>(thisTask, q1, q2);</div>
<div class="line"><a name="l01777"></a><span class="lineno"> 1777</span>&#160;            </div>
<div class="line"><a name="l01778"></a><span class="lineno"> 1778</span>&#160;            <span class="comment">// skip amplitude if controls aren&#39;t in 1 state (overloaded for speed)</span></div>
<div class="line"><a name="l01779"></a><span class="lineno"> 1779</span>&#160;            thisGlobalInd00 = ind00 + globalIndStart;</div>
<div class="line"><a name="l01780"></a><span class="lineno"> 1780</span>&#160;            <span class="keywordflow">if</span> (ctrlMask &amp;&amp; ((ctrlMask &amp; thisGlobalInd00) != ctrlMask))</div>
<div class="line"><a name="l01781"></a><span class="lineno"> 1781</span>&#160;                <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l01782"></a><span class="lineno"> 1782</span>&#160;            </div>
<div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>&#160;            <span class="comment">// inds of |..0..1..&gt;, |..1..0..&gt; and |..1..1..&gt;</span></div>
<div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>&#160;            ind01 = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(ind00, q1);</div>
<div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>&#160;            ind10 = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(ind00, q2);</div>
<div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>&#160;            ind11 = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(ind01, q2);</div>
<div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>&#160; </div>
<div class="line"><a name="l01788"></a><span class="lineno"> 1788</span>&#160;            <span class="comment">// extract statevec amplitudes </span></div>
<div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>&#160;            re00 = reVec[ind00]; im00 = imVec[ind00];</div>
<div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>&#160;            re01 = reVec[ind01]; im01 = imVec[ind01];</div>
<div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>&#160;            re10 = reVec[ind10]; im10 = imVec[ind10];</div>
<div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>&#160;            re11 = reVec[ind11]; im11 = imVec[ind11];</div>
<div class="line"><a name="l01793"></a><span class="lineno"> 1793</span>&#160; </div>
<div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>&#160;            <span class="comment">// apply u * {amp00, amp01, amp10, amp11}</span></div>
<div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>&#160;            reVec[ind00] = </div>
<div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][0]*re00 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][0]*im00 +</div>
<div class="line"><a name="l01797"></a><span class="lineno"> 1797</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][1]*re01 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][1]*im01 +</div>
<div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][2]*re10 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][2]*im10 +</div>
<div class="line"><a name="l01799"></a><span class="lineno"> 1799</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][3]*re11 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][3]*im11;</div>
<div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>&#160;            imVec[ind00] =</div>
<div class="line"><a name="l01801"></a><span class="lineno"> 1801</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][0]*re00 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][0]*im00 +</div>
<div class="line"><a name="l01802"></a><span class="lineno"> 1802</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][1]*re01 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][1]*im01 +</div>
<div class="line"><a name="l01803"></a><span class="lineno"> 1803</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][2]*re10 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][2]*im10 +</div>
<div class="line"><a name="l01804"></a><span class="lineno"> 1804</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][3]*re11 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][3]*im11;</div>
<div class="line"><a name="l01805"></a><span class="lineno"> 1805</span>&#160;                </div>
<div class="line"><a name="l01806"></a><span class="lineno"> 1806</span>&#160;            reVec[ind01] = </div>
<div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][0]*re00 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][0]*im00 +</div>
<div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][1]*re01 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][1]*im01 +</div>
<div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][2]*re10 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][2]*im10 +</div>
<div class="line"><a name="l01810"></a><span class="lineno"> 1810</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][3]*re11 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][3]*im11;</div>
<div class="line"><a name="l01811"></a><span class="lineno"> 1811</span>&#160;            imVec[ind01] =</div>
<div class="line"><a name="l01812"></a><span class="lineno"> 1812</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][0]*re00 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][0]*im00 +</div>
<div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][1]*re01 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][1]*im01 +</div>
<div class="line"><a name="l01814"></a><span class="lineno"> 1814</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][2]*re10 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][2]*im10 +</div>
<div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][3]*re11 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][3]*im11;</div>
<div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>&#160;                </div>
<div class="line"><a name="l01817"></a><span class="lineno"> 1817</span>&#160;            reVec[ind10] = </div>
<div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][0]*re00 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][0]*im00 +</div>
<div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][1]*re01 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][1]*im01 +</div>
<div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][2]*re10 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][2]*im10 +</div>
<div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][3]*re11 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][3]*im11;</div>
<div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>&#160;            imVec[ind10] =</div>
<div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][0]*re00 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][0]*im00 +</div>
<div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][1]*re01 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][1]*im01 +</div>
<div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][2]*re10 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][2]*im10 +</div>
<div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][3]*re11 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][3]*im11;    </div>
<div class="line"><a name="l01827"></a><span class="lineno"> 1827</span>&#160;                </div>
<div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>&#160;            reVec[ind11] = </div>
<div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][0]*re00 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][0]*im00 +</div>
<div class="line"><a name="l01830"></a><span class="lineno"> 1830</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][1]*re01 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][1]*im01 +</div>
<div class="line"><a name="l01831"></a><span class="lineno"> 1831</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][2]*re10 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][2]*im10 +</div>
<div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][3]*re11 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][3]*im11;</div>
<div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>&#160;            imVec[ind11] =</div>
<div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][0]*re00 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][0]*im00 +</div>
<div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][1]*re01 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][1]*im01 +</div>
<div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][2]*re10 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][2]*im10 +</div>
<div class="line"><a name="l01837"></a><span class="lineno"> 1837</span>&#160;                u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][3]*re11 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][3]*im11;    </div>
<div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>&#160;        }</div>
<div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>&#160;    }</div>
<div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>&#160;}</div>
<div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>&#160; </div>
<div class="line"><a name="l01842"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#afa4231f79fe9498e4fd87cc70cde5a9d"> 1842</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="QuEST__cpu_8c.html#afa4231f79fe9498e4fd87cc70cde5a9d">qsortComp</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *a, <span class="keyword">const</span> <span class="keywordtype">void</span> *b) {</div>
<div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>&#160;    <span class="keywordflow">return</span> *(<span class="keywordtype">int</span>*)a - *(<span class="keywordtype">int</span>*)b; </div>
<div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>&#160;}</div>
<div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>&#160; </div>
<div class="line"><a name="l01846"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a0aedcccfa50c7aaa8b7fc4c14d7cdfb8"> 1846</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a0aedcccfa50c7aaa8b7fc4c14d7cdfb8">statevec_multiControlledMultiQubitUnitaryLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ctrlMask, <span class="keywordtype">int</span>* targs, <span class="keywordtype">int</span> numTargs, <a class="code" href="structComplexMatrixN.html">ComplexMatrixN</a> u)</div>
<div class="line"><a name="l01847"></a><span class="lineno"> 1847</span>&#160;{</div>
<div class="line"><a name="l01848"></a><span class="lineno"> 1848</span>&#160;    <span class="comment">// can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *reVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01850"></a><span class="lineno"> 1850</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *imVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01851"></a><span class="lineno"> 1851</span>&#160;    </div>
<div class="line"><a name="l01852"></a><span class="lineno"> 1852</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> &gt;&gt; numTargs;  <span class="comment">// kernel called on every 1 in 2^numTargs amplitudes</span></div>
<div class="line"><a name="l01853"></a><span class="lineno"> 1853</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTargAmps = 1 &lt;&lt; u.<a class="code" href="structComplexMatrixN.html#a606f7afbc3f65a596bdca21cb43be6a8">numQubits</a>;  <span class="comment">// num amps to be modified by each task</span></div>
<div class="line"><a name="l01854"></a><span class="lineno"> 1854</span>&#160;    </div>
<div class="line"><a name="l01855"></a><span class="lineno"> 1855</span>&#160;    <span class="comment">// the global (between all nodes) index of this node&#39;s start index</span></div>
<div class="line"><a name="l01856"></a><span class="lineno"> 1856</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalIndStart = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>; </div>
<div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>&#160;    </div>
<div class="line"><a name="l01858"></a><span class="lineno"> 1858</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisInd00; <span class="comment">// this thread&#39;s index of |..0..0..&gt; (target qubits = 0) </span></div>
<div class="line"><a name="l01860"></a><span class="lineno"> 1860</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisGlobalInd00; <span class="comment">// the global (between all nodes) index of this thread&#39;s |..0..0..&gt; state</span></div>
<div class="line"><a name="l01861"></a><span class="lineno"> 1861</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ind;   <span class="comment">// each thread&#39;s iteration of amplitudes to modify</span></div>
<div class="line"><a name="l01862"></a><span class="lineno"> 1862</span>&#160;    <span class="keywordtype">int</span> i, t, r, c;  <span class="comment">// each thread&#39;s iteration of amps and targets </span></div>
<div class="line"><a name="l01863"></a><span class="lineno"> 1863</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> reElem, imElem;  <span class="comment">// each thread&#39;s iteration of u elements</span></div>
<div class="line"><a name="l01864"></a><span class="lineno"> 1864</span>&#160;    </div>
<div class="line"><a name="l01865"></a><span class="lineno"> 1865</span>&#160;    <span class="comment">// each thread/task will record and modify numTargAmps amplitudes, privately</span></div>
<div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>&#160;    <span class="comment">// (of course, tasks eliminated by the ctrlMask won&#39;t edit their allocation)</span></div>
<div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ampInds[numTargAmps];</div>
<div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> reAmps[numTargAmps];</div>
<div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> imAmps[numTargAmps];</div>
<div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>&#160; </div>
<div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>&#160;    <span class="comment">// we need a sorted targets list to find thisInd00 for each task.</span></div>
<div class="line"><a name="l01872"></a><span class="lineno"> 1872</span>&#160;    <span class="comment">// we can&#39;t modify targets, because the user-ordering of targets matters in u</span></div>
<div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>&#160;    <span class="keywordtype">int</span> sortedTargs[numTargs]; </div>
<div class="line"><a name="l01874"></a><span class="lineno"> 1874</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> t=0; t &lt; numTargs; t++) </div>
<div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>&#160;        sortedTargs[t] = targs[t];</div>
<div class="line"><a name="l01876"></a><span class="lineno"> 1876</span>&#160;    qsort(sortedTargs, numTargs, <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>), <a class="code" href="QuEST__cpu_8c.html#afa4231f79fe9498e4fd87cc70cde5a9d">qsortComp</a>);</div>
<div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>&#160;    </div>
<div class="line"><a name="l01878"></a><span class="lineno"> 1878</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01879"></a><span class="lineno"> 1879</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01881"></a><span class="lineno"> 1881</span>&#160;<span class="preprocessor">    shared   (reVec,imVec, numTasks,numTargAmps,globalIndStart, ctrlMask,targs,sortedTargs,u,numTargs) \</span></div>
<div class="line"><a name="l01882"></a><span class="lineno"> 1882</span>&#160;<span class="preprocessor">    private  (thisTask,thisInd00,thisGlobalInd00,ind,i,t,r,c,reElem,imElem,  ampInds,reAmps,imAmps)</span></div>
<div class="line"><a name="l01883"></a><span class="lineno"> 1883</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01884"></a><span class="lineno"> 1884</span>&#160;    {</div>
<div class="line"><a name="l01885"></a><span class="lineno"> 1885</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01886"></a><span class="lineno"> 1886</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01887"></a><span class="lineno"> 1887</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01888"></a><span class="lineno"> 1888</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>&#160;            </div>
<div class="line"><a name="l01890"></a><span class="lineno"> 1890</span>&#160;            <span class="comment">// find this task&#39;s start index (where all targs are 0)</span></div>
<div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>&#160;            thisInd00 = thisTask;</div>
<div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>&#160;            <span class="keywordflow">for</span> (t=0; t &lt; numTargs; t++)</div>
<div class="line"><a name="l01893"></a><span class="lineno"> 1893</span>&#160;                thisInd00 = <a class="code" href="QuEST__gpu_8cu.html#a5c6f1b2c71f43e57de4a1f818ddfbfd0">insertZeroBit</a>(thisInd00, sortedTargs[t]);</div>
<div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>&#160;                </div>
<div class="line"><a name="l01895"></a><span class="lineno"> 1895</span>&#160;            <span class="comment">// this task only modifies amplitudes if control qubits are 1 for this state</span></div>
<div class="line"><a name="l01896"></a><span class="lineno"> 1896</span>&#160;            thisGlobalInd00 = thisInd00 + globalIndStart;</div>
<div class="line"><a name="l01897"></a><span class="lineno"> 1897</span>&#160;            <span class="keywordflow">if</span> (ctrlMask &amp;&amp; ((ctrlMask &amp; thisGlobalInd00) != ctrlMask))</div>
<div class="line"><a name="l01898"></a><span class="lineno"> 1898</span>&#160;                <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>&#160;                </div>
<div class="line"><a name="l01900"></a><span class="lineno"> 1900</span>&#160;            <span class="comment">// determine the indices and record values of this tasks&#39;s target amps</span></div>
<div class="line"><a name="l01901"></a><span class="lineno"> 1901</span>&#160;            <span class="keywordflow">for</span> (i=0; i &lt; numTargAmps; i++) {</div>
<div class="line"><a name="l01902"></a><span class="lineno"> 1902</span>&#160;                </div>
<div class="line"><a name="l01903"></a><span class="lineno"> 1903</span>&#160;                <span class="comment">// get statevec index of current target qubit assignment</span></div>
<div class="line"><a name="l01904"></a><span class="lineno"> 1904</span>&#160;                ind = thisInd00;</div>
<div class="line"><a name="l01905"></a><span class="lineno"> 1905</span>&#160;                <span class="keywordflow">for</span> (t=0; t &lt; numTargs; t++)</div>
<div class="line"><a name="l01906"></a><span class="lineno"> 1906</span>&#160;                    <span class="keywordflow">if</span> (<a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(t, i))</div>
<div class="line"><a name="l01907"></a><span class="lineno"> 1907</span>&#160;                        ind = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(ind, targs[t]);</div>
<div class="line"><a name="l01908"></a><span class="lineno"> 1908</span>&#160;                </div>
<div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>&#160;                <span class="comment">// update this tasks&#39;s private arrays</span></div>
<div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>&#160;                ampInds[i] = ind;</div>
<div class="line"><a name="l01911"></a><span class="lineno"> 1911</span>&#160;                reAmps [i] = reVec[ind];</div>
<div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>&#160;                imAmps [i] = imVec[ind];</div>
<div class="line"><a name="l01913"></a><span class="lineno"> 1913</span>&#160;            }</div>
<div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>&#160;            </div>
<div class="line"><a name="l01915"></a><span class="lineno"> 1915</span>&#160;            <span class="comment">// modify this tasks&#39;s target amplitudes</span></div>
<div class="line"><a name="l01916"></a><span class="lineno"> 1916</span>&#160;            <span class="keywordflow">for</span> (r=0; r &lt; numTargAmps; r++) {</div>
<div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>&#160;                ind = ampInds[r];</div>
<div class="line"><a name="l01918"></a><span class="lineno"> 1918</span>&#160;                reVec[ind] = 0;</div>
<div class="line"><a name="l01919"></a><span class="lineno"> 1919</span>&#160;                imVec[ind] = 0;</div>
<div class="line"><a name="l01920"></a><span class="lineno"> 1920</span>&#160;                </div>
<div class="line"><a name="l01921"></a><span class="lineno"> 1921</span>&#160;                <span class="keywordflow">for</span> (c=0; c &lt; numTargAmps; c++) {</div>
<div class="line"><a name="l01922"></a><span class="lineno"> 1922</span>&#160;                    reElem = u.<a class="code" href="structComplexMatrixN.html#a446e8a077597e4f76049d547df0c9738">real</a>[r][c];</div>
<div class="line"><a name="l01923"></a><span class="lineno"> 1923</span>&#160;                    imElem = u.<a class="code" href="structComplexMatrixN.html#afde13e469a3b4f179f45e53d1ec0a7cf">imag</a>[r][c];</div>
<div class="line"><a name="l01924"></a><span class="lineno"> 1924</span>&#160;                    reVec[ind] += reAmps[c]*reElem - imAmps[c]*imElem;</div>
<div class="line"><a name="l01925"></a><span class="lineno"> 1925</span>&#160;                    imVec[ind] += reAmps[c]*imElem + imAmps[c]*reElem;</div>
<div class="line"><a name="l01926"></a><span class="lineno"> 1926</span>&#160;                }</div>
<div class="line"><a name="l01927"></a><span class="lineno"> 1927</span>&#160;            }</div>
<div class="line"><a name="l01928"></a><span class="lineno"> 1928</span>&#160;        }</div>
<div class="line"><a name="l01929"></a><span class="lineno"> 1929</span>&#160;    }</div>
<div class="line"><a name="l01930"></a><span class="lineno"> 1930</span>&#160;}</div>
<div class="line"><a name="l01931"></a><span class="lineno"> 1931</span>&#160; </div>
<div class="line"><a name="l01932"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#aafc398f8f479fcc066a2dea700235635"> 1932</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aafc398f8f479fcc066a2dea700235635">statevec_unitaryLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="structComplexMatrix2.html">ComplexMatrix2</a> u)</div>
<div class="line"><a name="l01933"></a><span class="lineno"> 1933</span>&#160;{</div>
<div class="line"><a name="l01934"></a><span class="lineno"> 1934</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l01935"></a><span class="lineno"> 1935</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l01936"></a><span class="lineno"> 1936</span>&#160;         indexUp,indexLo;    <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l01937"></a><span class="lineno"> 1937</span>&#160; </div>
<div class="line"><a name="l01938"></a><span class="lineno"> 1938</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l01939"></a><span class="lineno"> 1939</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l01940"></a><span class="lineno"> 1940</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l01941"></a><span class="lineno"> 1941</span>&#160; </div>
<div class="line"><a name="l01942"></a><span class="lineno"> 1942</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l01943"></a><span class="lineno"> 1943</span>&#160;    sizeHalfBlock = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l01944"></a><span class="lineno"> 1944</span>&#160;    sizeBlock     = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l01945"></a><span class="lineno"> 1945</span>&#160; </div>
<div class="line"><a name="l01946"></a><span class="lineno"> 1946</span>&#160;    <span class="comment">// Can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l01947"></a><span class="lineno"> 1947</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01948"></a><span class="lineno"> 1948</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01949"></a><span class="lineno"> 1949</span>&#160; </div>
<div class="line"><a name="l01950"></a><span class="lineno"> 1950</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01951"></a><span class="lineno"> 1951</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01952"></a><span class="lineno"> 1952</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l01953"></a><span class="lineno"> 1953</span>&#160;<span class="preprocessor">    shared   (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, u,numTasks) \</span></div>
<div class="line"><a name="l01954"></a><span class="lineno"> 1954</span>&#160;<span class="preprocessor">    private  (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l01955"></a><span class="lineno"> 1955</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01956"></a><span class="lineno"> 1956</span>&#160;    {</div>
<div class="line"><a name="l01957"></a><span class="lineno"> 1957</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01958"></a><span class="lineno"> 1958</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01959"></a><span class="lineno"> 1959</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01960"></a><span class="lineno"> 1960</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l01961"></a><span class="lineno"> 1961</span>&#160; </div>
<div class="line"><a name="l01962"></a><span class="lineno"> 1962</span>&#160;            thisBlock   = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l01963"></a><span class="lineno"> 1963</span>&#160;            indexUp     = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l01964"></a><span class="lineno"> 1964</span>&#160;            indexLo     = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l01965"></a><span class="lineno"> 1965</span>&#160; </div>
<div class="line"><a name="l01966"></a><span class="lineno"> 1966</span>&#160;            <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l01967"></a><span class="lineno"> 1967</span>&#160;            stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l01968"></a><span class="lineno"> 1968</span>&#160;            stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l01969"></a><span class="lineno"> 1969</span>&#160; </div>
<div class="line"><a name="l01970"></a><span class="lineno"> 1970</span>&#160;            stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l01971"></a><span class="lineno"> 1971</span>&#160;            stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l01972"></a><span class="lineno"> 1972</span>&#160; </div>
<div class="line"><a name="l01973"></a><span class="lineno"> 1973</span>&#160; </div>
<div class="line"><a name="l01974"></a><span class="lineno"> 1974</span>&#160;            <span class="comment">// state[indexUp] = u00 * state[indexUp] + u01 * state[indexLo]</span></div>
<div class="line"><a name="l01975"></a><span class="lineno"> 1975</span>&#160;            stateVecReal[indexUp] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][0]*stateRealUp - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][0]*stateImagUp </div>
<div class="line"><a name="l01976"></a><span class="lineno"> 1976</span>&#160;                + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][1]*stateRealLo - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][1]*stateImagLo;</div>
<div class="line"><a name="l01977"></a><span class="lineno"> 1977</span>&#160;            stateVecImag[indexUp] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][0]*stateImagUp + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][0]*stateRealUp </div>
<div class="line"><a name="l01978"></a><span class="lineno"> 1978</span>&#160;                + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][1]*stateImagLo + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][1]*stateRealLo;</div>
<div class="line"><a name="l01979"></a><span class="lineno"> 1979</span>&#160; </div>
<div class="line"><a name="l01980"></a><span class="lineno"> 1980</span>&#160;            <span class="comment">// state[indexLo] = u10  * state[indexUp] + u11 * state[indexLo]</span></div>
<div class="line"><a name="l01981"></a><span class="lineno"> 1981</span>&#160;            stateVecReal[indexLo] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][0]*stateRealUp  - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][0]*stateImagUp </div>
<div class="line"><a name="l01982"></a><span class="lineno"> 1982</span>&#160;                + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][1]*stateRealLo  -  u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][1]*stateImagLo;</div>
<div class="line"><a name="l01983"></a><span class="lineno"> 1983</span>&#160;            stateVecImag[indexLo] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][0]*stateImagUp + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][0]*stateRealUp </div>
<div class="line"><a name="l01984"></a><span class="lineno"> 1984</span>&#160;                + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][1]*stateImagLo + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][1]*stateRealLo;</div>
<div class="line"><a name="l01985"></a><span class="lineno"> 1985</span>&#160; </div>
<div class="line"><a name="l01986"></a><span class="lineno"> 1986</span>&#160;        } </div>
<div class="line"><a name="l01987"></a><span class="lineno"> 1987</span>&#160;    }</div>
<div class="line"><a name="l01988"></a><span class="lineno"> 1988</span>&#160;} </div>
<div class="line"><a name="l01989"></a><span class="lineno"> 1989</span>&#160; </div>
<div class="line"><a name="l02001"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a0a7a35628b1c1eb47336deb9afda5b68"> 2001</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a0a7a35628b1c1eb47336deb9afda5b68">statevec_compactUnitaryDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l02002"></a><span class="lineno"> 2002</span>&#160;        <a class="code" href="structComplex.html">Complex</a> rot1, <a class="code" href="structComplex.html">Complex</a> rot2,</div>
<div class="line"><a name="l02003"></a><span class="lineno"> 2003</span>&#160;        ComplexArray stateVecUp,</div>
<div class="line"><a name="l02004"></a><span class="lineno"> 2004</span>&#160;        ComplexArray stateVecLo,</div>
<div class="line"><a name="l02005"></a><span class="lineno"> 2005</span>&#160;        ComplexArray stateVecOut)</div>
<div class="line"><a name="l02006"></a><span class="lineno"> 2006</span>&#160;{</div>
<div class="line"><a name="l02007"></a><span class="lineno"> 2007</span>&#160; </div>
<div class="line"><a name="l02008"></a><span class="lineno"> 2008</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>   stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02009"></a><span class="lineno"> 2009</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;  </div>
<div class="line"><a name="l02010"></a><span class="lineno"> 2010</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02011"></a><span class="lineno"> 2011</span>&#160; </div>
<div class="line"><a name="l02012"></a><span class="lineno"> 2012</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot1Real=rot1.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot1Imag=rot1.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02013"></a><span class="lineno"> 2013</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot2Real=rot2.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot2Imag=rot2.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02014"></a><span class="lineno"> 2014</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02015"></a><span class="lineno"> 2015</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02016"></a><span class="lineno"> 2016</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02017"></a><span class="lineno"> 2017</span>&#160; </div>
<div class="line"><a name="l02018"></a><span class="lineno"> 2018</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02019"></a><span class="lineno"> 2019</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02020"></a><span class="lineno"> 2020</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02021"></a><span class="lineno"> 2021</span>&#160;<span class="preprocessor">    shared   (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02022"></a><span class="lineno"> 2022</span>&#160;<span class="preprocessor">            rot1Real,rot1Imag, rot2Real,rot2Imag,numTasks) \</span></div>
<div class="line"><a name="l02023"></a><span class="lineno"> 2023</span>&#160;<span class="preprocessor">    private  (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l02024"></a><span class="lineno"> 2024</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02025"></a><span class="lineno"> 2025</span>&#160;    {</div>
<div class="line"><a name="l02026"></a><span class="lineno"> 2026</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02027"></a><span class="lineno"> 2027</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02028"></a><span class="lineno"> 2028</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02029"></a><span class="lineno"> 2029</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02030"></a><span class="lineno"> 2030</span>&#160;            <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02031"></a><span class="lineno"> 2031</span>&#160;            stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02032"></a><span class="lineno"> 2032</span>&#160;            stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02033"></a><span class="lineno"> 2033</span>&#160; </div>
<div class="line"><a name="l02034"></a><span class="lineno"> 2034</span>&#160;            stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02035"></a><span class="lineno"> 2035</span>&#160;            stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02036"></a><span class="lineno"> 2036</span>&#160; </div>
<div class="line"><a name="l02037"></a><span class="lineno"> 2037</span>&#160;            <span class="comment">// state[indexUp] = alpha * state[indexUp] - conj(beta)  * state[indexLo]</span></div>
<div class="line"><a name="l02038"></a><span class="lineno"> 2038</span>&#160;            stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp + rot2Real*stateRealLo + rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02039"></a><span class="lineno"> 2039</span>&#160;            stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp + rot2Real*stateImagLo - rot2Imag*stateRealLo;</div>
<div class="line"><a name="l02040"></a><span class="lineno"> 2040</span>&#160;        }</div>
<div class="line"><a name="l02041"></a><span class="lineno"> 2041</span>&#160;    }</div>
<div class="line"><a name="l02042"></a><span class="lineno"> 2042</span>&#160;}</div>
<div class="line"><a name="l02043"></a><span class="lineno"> 2043</span>&#160; </div>
<div class="line"><a name="l02056"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a0ce2c2fd54df25495e99dc5b95bed4b2"> 2056</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a0ce2c2fd54df25495e99dc5b95bed4b2">statevec_unitaryDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l02057"></a><span class="lineno"> 2057</span>&#160;        <a class="code" href="structComplex.html">Complex</a> rot1, <a class="code" href="structComplex.html">Complex</a> rot2,</div>
<div class="line"><a name="l02058"></a><span class="lineno"> 2058</span>&#160;        ComplexArray stateVecUp,</div>
<div class="line"><a name="l02059"></a><span class="lineno"> 2059</span>&#160;        ComplexArray stateVecLo,</div>
<div class="line"><a name="l02060"></a><span class="lineno"> 2060</span>&#160;        ComplexArray stateVecOut)</div>
<div class="line"><a name="l02061"></a><span class="lineno"> 2061</span>&#160;{</div>
<div class="line"><a name="l02062"></a><span class="lineno"> 2062</span>&#160; </div>
<div class="line"><a name="l02063"></a><span class="lineno"> 2063</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>   stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02064"></a><span class="lineno"> 2064</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;  </div>
<div class="line"><a name="l02065"></a><span class="lineno"> 2065</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02066"></a><span class="lineno"> 2066</span>&#160; </div>
<div class="line"><a name="l02067"></a><span class="lineno"> 2067</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot1Real=rot1.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot1Imag=rot1.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02068"></a><span class="lineno"> 2068</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot2Real=rot2.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot2Imag=rot2.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02069"></a><span class="lineno"> 2069</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02070"></a><span class="lineno"> 2070</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02071"></a><span class="lineno"> 2071</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02072"></a><span class="lineno"> 2072</span>&#160; </div>
<div class="line"><a name="l02073"></a><span class="lineno"> 2073</span>&#160; </div>
<div class="line"><a name="l02074"></a><span class="lineno"> 2074</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02075"></a><span class="lineno"> 2075</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02076"></a><span class="lineno"> 2076</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02077"></a><span class="lineno"> 2077</span>&#160;<span class="preprocessor">    shared   (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02078"></a><span class="lineno"> 2078</span>&#160;<span class="preprocessor">            rot1Real, rot1Imag, rot2Real, rot2Imag,numTasks) \</span></div>
<div class="line"><a name="l02079"></a><span class="lineno"> 2079</span>&#160;<span class="preprocessor">    private  (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l02080"></a><span class="lineno"> 2080</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02081"></a><span class="lineno"> 2081</span>&#160;    {</div>
<div class="line"><a name="l02082"></a><span class="lineno"> 2082</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02083"></a><span class="lineno"> 2083</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02084"></a><span class="lineno"> 2084</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02085"></a><span class="lineno"> 2085</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02086"></a><span class="lineno"> 2086</span>&#160;            <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02087"></a><span class="lineno"> 2087</span>&#160;            stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02088"></a><span class="lineno"> 2088</span>&#160;            stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02089"></a><span class="lineno"> 2089</span>&#160; </div>
<div class="line"><a name="l02090"></a><span class="lineno"> 2090</span>&#160;            stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02091"></a><span class="lineno"> 2091</span>&#160;            stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02092"></a><span class="lineno"> 2092</span>&#160; </div>
<div class="line"><a name="l02093"></a><span class="lineno"> 2093</span>&#160;            stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp </div>
<div class="line"><a name="l02094"></a><span class="lineno"> 2094</span>&#160;                + rot2Real*stateRealLo - rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02095"></a><span class="lineno"> 2095</span>&#160;            stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp </div>
<div class="line"><a name="l02096"></a><span class="lineno"> 2096</span>&#160;                + rot2Real*stateImagLo + rot2Imag*stateRealLo;</div>
<div class="line"><a name="l02097"></a><span class="lineno"> 2097</span>&#160;        }</div>
<div class="line"><a name="l02098"></a><span class="lineno"> 2098</span>&#160;    }</div>
<div class="line"><a name="l02099"></a><span class="lineno"> 2099</span>&#160;}</div>
<div class="line"><a name="l02100"></a><span class="lineno"> 2100</span>&#160; </div>
<div class="line"><a name="l02101"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a215e2d6f88dbecc0b408b3573b5e144f"> 2101</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a215e2d6f88dbecc0b408b3573b5e144f">statevec_controlledCompactUnitaryLocal</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit, <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l02102"></a><span class="lineno"> 2102</span>&#160;        <a class="code" href="structComplex.html">Complex</a> alpha, <a class="code" href="structComplex.html">Complex</a> beta)</div>
<div class="line"><a name="l02103"></a><span class="lineno"> 2103</span>&#160;{</div>
<div class="line"><a name="l02104"></a><span class="lineno"> 2104</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02105"></a><span class="lineno"> 2105</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02106"></a><span class="lineno"> 2106</span>&#160;         indexUp,indexLo;    <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02107"></a><span class="lineno"> 2107</span>&#160; </div>
<div class="line"><a name="l02108"></a><span class="lineno"> 2108</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02109"></a><span class="lineno"> 2109</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l02110"></a><span class="lineno"> 2110</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l02111"></a><span class="lineno"> 2111</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02112"></a><span class="lineno"> 2112</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02113"></a><span class="lineno"> 2113</span>&#160; </div>
<div class="line"><a name="l02114"></a><span class="lineno"> 2114</span>&#160;    <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02115"></a><span class="lineno"> 2115</span>&#160; </div>
<div class="line"><a name="l02116"></a><span class="lineno"> 2116</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02117"></a><span class="lineno"> 2117</span>&#160;    sizeHalfBlock = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l02118"></a><span class="lineno"> 2118</span>&#160;    sizeBlock     = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02119"></a><span class="lineno"> 2119</span>&#160; </div>
<div class="line"><a name="l02120"></a><span class="lineno"> 2120</span>&#160;    <span class="comment">// Can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02121"></a><span class="lineno"> 2121</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02122"></a><span class="lineno"> 2122</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02123"></a><span class="lineno"> 2123</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> alphaImag=alpha.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>, alphaReal=alpha.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l02124"></a><span class="lineno"> 2124</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> betaImag=beta.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>, betaReal=beta.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l02125"></a><span class="lineno"> 2125</span>&#160; </div>
<div class="line"><a name="l02126"></a><span class="lineno"> 2126</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02127"></a><span class="lineno"> 2127</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02128"></a><span class="lineno"> 2128</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02129"></a><span class="lineno"> 2129</span>&#160;<span class="preprocessor">    shared   (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, alphaReal,alphaImag, betaReal,betaImag, \</span></div>
<div class="line"><a name="l02130"></a><span class="lineno"> 2130</span>&#160;<span class="preprocessor">                numTasks,chunkId,chunkSize,controlQubit) \</span></div>
<div class="line"><a name="l02131"></a><span class="lineno"> 2131</span>&#160;<span class="preprocessor">    private  (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo,controlBit)</span></div>
<div class="line"><a name="l02132"></a><span class="lineno"> 2132</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02133"></a><span class="lineno"> 2133</span>&#160;    {</div>
<div class="line"><a name="l02134"></a><span class="lineno"> 2134</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02135"></a><span class="lineno"> 2135</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02136"></a><span class="lineno"> 2136</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02137"></a><span class="lineno"> 2137</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02138"></a><span class="lineno"> 2138</span>&#160; </div>
<div class="line"><a name="l02139"></a><span class="lineno"> 2139</span>&#160;            thisBlock   = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02140"></a><span class="lineno"> 2140</span>&#160;            indexUp     = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02141"></a><span class="lineno"> 2141</span>&#160;            indexLo     = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02142"></a><span class="lineno"> 2142</span>&#160; </div>
<div class="line"><a name="l02143"></a><span class="lineno"> 2143</span>&#160;            controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (controlQubit, indexUp+chunkId*chunkSize);</div>
<div class="line"><a name="l02144"></a><span class="lineno"> 2144</span>&#160;            <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02145"></a><span class="lineno"> 2145</span>&#160;                <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02146"></a><span class="lineno"> 2146</span>&#160;                stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02147"></a><span class="lineno"> 2147</span>&#160;                stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02148"></a><span class="lineno"> 2148</span>&#160; </div>
<div class="line"><a name="l02149"></a><span class="lineno"> 2149</span>&#160;                stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l02150"></a><span class="lineno"> 2150</span>&#160;                stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l02151"></a><span class="lineno"> 2151</span>&#160; </div>
<div class="line"><a name="l02152"></a><span class="lineno"> 2152</span>&#160;                <span class="comment">// state[indexUp] = alpha * state[indexUp] - conj(beta)  * state[indexLo]</span></div>
<div class="line"><a name="l02153"></a><span class="lineno"> 2153</span>&#160;                stateVecReal[indexUp] = alphaReal*stateRealUp - alphaImag*stateImagUp </div>
<div class="line"><a name="l02154"></a><span class="lineno"> 2154</span>&#160;                    - betaReal*stateRealLo - betaImag*stateImagLo;</div>
<div class="line"><a name="l02155"></a><span class="lineno"> 2155</span>&#160;                stateVecImag[indexUp] = alphaReal*stateImagUp + alphaImag*stateRealUp </div>
<div class="line"><a name="l02156"></a><span class="lineno"> 2156</span>&#160;                    - betaReal*stateImagLo + betaImag*stateRealLo;</div>
<div class="line"><a name="l02157"></a><span class="lineno"> 2157</span>&#160; </div>
<div class="line"><a name="l02158"></a><span class="lineno"> 2158</span>&#160;                <span class="comment">// state[indexLo] = beta  * state[indexUp] + conj(alpha) * state[indexLo]</span></div>
<div class="line"><a name="l02159"></a><span class="lineno"> 2159</span>&#160;                stateVecReal[indexLo] = betaReal*stateRealUp - betaImag*stateImagUp </div>
<div class="line"><a name="l02160"></a><span class="lineno"> 2160</span>&#160;                    + alphaReal*stateRealLo + alphaImag*stateImagLo;</div>
<div class="line"><a name="l02161"></a><span class="lineno"> 2161</span>&#160;                stateVecImag[indexLo] = betaReal*stateImagUp + betaImag*stateRealUp </div>
<div class="line"><a name="l02162"></a><span class="lineno"> 2162</span>&#160;                    + alphaReal*stateImagLo - alphaImag*stateRealLo;</div>
<div class="line"><a name="l02163"></a><span class="lineno"> 2163</span>&#160;            }</div>
<div class="line"><a name="l02164"></a><span class="lineno"> 2164</span>&#160;        } </div>
<div class="line"><a name="l02165"></a><span class="lineno"> 2165</span>&#160;    }</div>
<div class="line"><a name="l02166"></a><span class="lineno"> 2166</span>&#160; </div>
<div class="line"><a name="l02167"></a><span class="lineno"> 2167</span>&#160;} </div>
<div class="line"><a name="l02168"></a><span class="lineno"> 2168</span>&#160; </div>
<div class="line"><a name="l02169"></a><span class="lineno"> 2169</span>&#160;<span class="comment">/* ctrlQubitsMask is a bit mask indicating which qubits are control Qubits</span></div>
<div class="line"><a name="l02170"></a><span class="lineno"> 2170</span>&#160;<span class="comment"> * ctrlFlipMask is a bit mask indicating which control qubits should be &#39;flipped&#39;</span></div>
<div class="line"><a name="l02171"></a><span class="lineno"> 2171</span>&#160;<span class="comment"> * in the condition, i.e. they should have value 0 when the unitary is applied</span></div>
<div class="line"><a name="l02172"></a><span class="lineno"> 2172</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l02173"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab19f28e68330da68ea3caa2bdef32da9"> 2173</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab19f28e68330da68ea3caa2bdef32da9">statevec_multiControlledUnitaryLocal</a>(</div>
<div class="line"><a name="l02174"></a><span class="lineno"> 2174</span>&#160;    <a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l02175"></a><span class="lineno"> 2175</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ctrlQubitsMask, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ctrlFlipMask,</div>
<div class="line"><a name="l02176"></a><span class="lineno"> 2176</span>&#160;    <a class="code" href="structComplexMatrix2.html">ComplexMatrix2</a> u)</div>
<div class="line"><a name="l02177"></a><span class="lineno"> 2177</span>&#160;{</div>
<div class="line"><a name="l02178"></a><span class="lineno"> 2178</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02179"></a><span class="lineno"> 2179</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02180"></a><span class="lineno"> 2180</span>&#160;         indexUp,indexLo;    <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02181"></a><span class="lineno"> 2181</span>&#160; </div>
<div class="line"><a name="l02182"></a><span class="lineno"> 2182</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02183"></a><span class="lineno"> 2183</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l02184"></a><span class="lineno"> 2184</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l02185"></a><span class="lineno"> 2185</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02186"></a><span class="lineno"> 2186</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02187"></a><span class="lineno"> 2187</span>&#160; </div>
<div class="line"><a name="l02188"></a><span class="lineno"> 2188</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02189"></a><span class="lineno"> 2189</span>&#160;    sizeHalfBlock = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l02190"></a><span class="lineno"> 2190</span>&#160;    sizeBlock     = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02191"></a><span class="lineno"> 2191</span>&#160; </div>
<div class="line"><a name="l02192"></a><span class="lineno"> 2192</span>&#160;    <span class="comment">// Can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02193"></a><span class="lineno"> 2193</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02194"></a><span class="lineno"> 2194</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02195"></a><span class="lineno"> 2195</span>&#160; </div>
<div class="line"><a name="l02196"></a><span class="lineno"> 2196</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02197"></a><span class="lineno"> 2197</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02198"></a><span class="lineno"> 2198</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02199"></a><span class="lineno"> 2199</span>&#160;<span class="preprocessor">    shared   (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, u, ctrlQubitsMask,ctrlFlipMask, \</span></div>
<div class="line"><a name="l02200"></a><span class="lineno"> 2200</span>&#160;<span class="preprocessor">                numTasks,chunkId,chunkSize) \</span></div>
<div class="line"><a name="l02201"></a><span class="lineno"> 2201</span>&#160;<span class="preprocessor">    private  (thisTask,thisBlock, indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l02202"></a><span class="lineno"> 2202</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02203"></a><span class="lineno"> 2203</span>&#160;    {</div>
<div class="line"><a name="l02204"></a><span class="lineno"> 2204</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02205"></a><span class="lineno"> 2205</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02206"></a><span class="lineno"> 2206</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02207"></a><span class="lineno"> 2207</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02208"></a><span class="lineno"> 2208</span>&#160; </div>
<div class="line"><a name="l02209"></a><span class="lineno"> 2209</span>&#160;            thisBlock   = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02210"></a><span class="lineno"> 2210</span>&#160;            indexUp     = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02211"></a><span class="lineno"> 2211</span>&#160;            indexLo     = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02212"></a><span class="lineno"> 2212</span>&#160;            </div>
<div class="line"><a name="l02213"></a><span class="lineno"> 2213</span>&#160;            </div>
<div class="line"><a name="l02214"></a><span class="lineno"> 2214</span>&#160;            <span class="comment">// take the basis index, flip the designated (XOR) &#39;control&#39; bits, AND with the controls.</span></div>
<div class="line"><a name="l02215"></a><span class="lineno"> 2215</span>&#160;            <span class="comment">// if this equals the control mask, the control qubits have the desired values in the basis index</span></div>
<div class="line"><a name="l02216"></a><span class="lineno"> 2216</span>&#160;            <span class="keywordflow">if</span> (ctrlQubitsMask == (ctrlQubitsMask &amp; ((indexUp+chunkId*chunkSize) ^ ctrlFlipMask))) {</div>
<div class="line"><a name="l02217"></a><span class="lineno"> 2217</span>&#160;                <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02218"></a><span class="lineno"> 2218</span>&#160;                stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02219"></a><span class="lineno"> 2219</span>&#160;                stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02220"></a><span class="lineno"> 2220</span>&#160; </div>
<div class="line"><a name="l02221"></a><span class="lineno"> 2221</span>&#160;                stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l02222"></a><span class="lineno"> 2222</span>&#160;                stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l02223"></a><span class="lineno"> 2223</span>&#160; </div>
<div class="line"><a name="l02224"></a><span class="lineno"> 2224</span>&#160;                <span class="comment">// state[indexUp] = u00 * state[indexUp] + u01 * state[indexLo]</span></div>
<div class="line"><a name="l02225"></a><span class="lineno"> 2225</span>&#160;                stateVecReal[indexUp] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][0]*stateRealUp - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][0]*stateImagUp </div>
<div class="line"><a name="l02226"></a><span class="lineno"> 2226</span>&#160;                    + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][1]*stateRealLo - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][1]*stateImagLo;</div>
<div class="line"><a name="l02227"></a><span class="lineno"> 2227</span>&#160;                stateVecImag[indexUp] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][0]*stateImagUp + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][0]*stateRealUp </div>
<div class="line"><a name="l02228"></a><span class="lineno"> 2228</span>&#160;                    + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][1]*stateImagLo + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][1]*stateRealLo;</div>
<div class="line"><a name="l02229"></a><span class="lineno"> 2229</span>&#160; </div>
<div class="line"><a name="l02230"></a><span class="lineno"> 2230</span>&#160;                <span class="comment">// state[indexLo] = u10  * state[indexUp] + u11 * state[indexLo]</span></div>
<div class="line"><a name="l02231"></a><span class="lineno"> 2231</span>&#160;                stateVecReal[indexLo] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][0]*stateRealUp  - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][0]*stateImagUp </div>
<div class="line"><a name="l02232"></a><span class="lineno"> 2232</span>&#160;                    + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][1]*stateRealLo  -  u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][1]*stateImagLo;</div>
<div class="line"><a name="l02233"></a><span class="lineno"> 2233</span>&#160;                stateVecImag[indexLo] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][0]*stateImagUp + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][0]*stateRealUp </div>
<div class="line"><a name="l02234"></a><span class="lineno"> 2234</span>&#160;                    + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][1]*stateImagLo + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][1]*stateRealLo;</div>
<div class="line"><a name="l02235"></a><span class="lineno"> 2235</span>&#160;            }</div>
<div class="line"><a name="l02236"></a><span class="lineno"> 2236</span>&#160;        } </div>
<div class="line"><a name="l02237"></a><span class="lineno"> 2237</span>&#160;    }</div>
<div class="line"><a name="l02238"></a><span class="lineno"> 2238</span>&#160; </div>
<div class="line"><a name="l02239"></a><span class="lineno"> 2239</span>&#160;}</div>
<div class="line"><a name="l02240"></a><span class="lineno"> 2240</span>&#160; </div>
<div class="line"><a name="l02241"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a903beb4f5d8753a964ce2dc5f9096a24"> 2241</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a903beb4f5d8753a964ce2dc5f9096a24">statevec_controlledUnitaryLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit, <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l02242"></a><span class="lineno"> 2242</span>&#160;        <a class="code" href="structComplexMatrix2.html">ComplexMatrix2</a> u)</div>
<div class="line"><a name="l02243"></a><span class="lineno"> 2243</span>&#160;{</div>
<div class="line"><a name="l02244"></a><span class="lineno"> 2244</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02245"></a><span class="lineno"> 2245</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02246"></a><span class="lineno"> 2246</span>&#160;         indexUp,indexLo;    <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02247"></a><span class="lineno"> 2247</span>&#160; </div>
<div class="line"><a name="l02248"></a><span class="lineno"> 2248</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02249"></a><span class="lineno"> 2249</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l02250"></a><span class="lineno"> 2250</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l02251"></a><span class="lineno"> 2251</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02252"></a><span class="lineno"> 2252</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02253"></a><span class="lineno"> 2253</span>&#160; </div>
<div class="line"><a name="l02254"></a><span class="lineno"> 2254</span>&#160;    <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02255"></a><span class="lineno"> 2255</span>&#160; </div>
<div class="line"><a name="l02256"></a><span class="lineno"> 2256</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02257"></a><span class="lineno"> 2257</span>&#160;    sizeHalfBlock = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l02258"></a><span class="lineno"> 2258</span>&#160;    sizeBlock     = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02259"></a><span class="lineno"> 2259</span>&#160; </div>
<div class="line"><a name="l02260"></a><span class="lineno"> 2260</span>&#160;    <span class="comment">// Can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02261"></a><span class="lineno"> 2261</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02262"></a><span class="lineno"> 2262</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02263"></a><span class="lineno"> 2263</span>&#160; </div>
<div class="line"><a name="l02264"></a><span class="lineno"> 2264</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02265"></a><span class="lineno"> 2265</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02266"></a><span class="lineno"> 2266</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02267"></a><span class="lineno"> 2267</span>&#160;<span class="preprocessor">    shared   (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, u,numTasks,chunkId,chunkSize,controlQubit) \</span></div>
<div class="line"><a name="l02268"></a><span class="lineno"> 2268</span>&#160;<span class="preprocessor">    private  (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo,controlBit)</span></div>
<div class="line"><a name="l02269"></a><span class="lineno"> 2269</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02270"></a><span class="lineno"> 2270</span>&#160;    {</div>
<div class="line"><a name="l02271"></a><span class="lineno"> 2271</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02272"></a><span class="lineno"> 2272</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02273"></a><span class="lineno"> 2273</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02274"></a><span class="lineno"> 2274</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02275"></a><span class="lineno"> 2275</span>&#160; </div>
<div class="line"><a name="l02276"></a><span class="lineno"> 2276</span>&#160;            thisBlock   = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02277"></a><span class="lineno"> 2277</span>&#160;            indexUp     = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02278"></a><span class="lineno"> 2278</span>&#160;            indexLo     = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02279"></a><span class="lineno"> 2279</span>&#160; </div>
<div class="line"><a name="l02280"></a><span class="lineno"> 2280</span>&#160;            controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (controlQubit, indexUp+chunkId*chunkSize);</div>
<div class="line"><a name="l02281"></a><span class="lineno"> 2281</span>&#160;            <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02282"></a><span class="lineno"> 2282</span>&#160;                <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02283"></a><span class="lineno"> 2283</span>&#160;                stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02284"></a><span class="lineno"> 2284</span>&#160;                stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02285"></a><span class="lineno"> 2285</span>&#160; </div>
<div class="line"><a name="l02286"></a><span class="lineno"> 2286</span>&#160;                stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l02287"></a><span class="lineno"> 2287</span>&#160;                stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l02288"></a><span class="lineno"> 2288</span>&#160; </div>
<div class="line"><a name="l02289"></a><span class="lineno"> 2289</span>&#160; </div>
<div class="line"><a name="l02290"></a><span class="lineno"> 2290</span>&#160;                <span class="comment">// state[indexUp] = u00 * state[indexUp] + u01 * state[indexLo]</span></div>
<div class="line"><a name="l02291"></a><span class="lineno"> 2291</span>&#160;                stateVecReal[indexUp] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][0]*stateRealUp - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][0]*stateImagUp </div>
<div class="line"><a name="l02292"></a><span class="lineno"> 2292</span>&#160;                    + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][1]*stateRealLo - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][1]*stateImagLo;</div>
<div class="line"><a name="l02293"></a><span class="lineno"> 2293</span>&#160;                stateVecImag[indexUp] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][0]*stateImagUp + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][0]*stateRealUp </div>
<div class="line"><a name="l02294"></a><span class="lineno"> 2294</span>&#160;                    + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][1]*stateImagLo + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][1]*stateRealLo;</div>
<div class="line"><a name="l02295"></a><span class="lineno"> 2295</span>&#160; </div>
<div class="line"><a name="l02296"></a><span class="lineno"> 2296</span>&#160;                <span class="comment">// state[indexLo] = u10  * state[indexUp] + u11 * state[indexLo]</span></div>
<div class="line"><a name="l02297"></a><span class="lineno"> 2297</span>&#160;                stateVecReal[indexLo] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][0]*stateRealUp  - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][0]*stateImagUp </div>
<div class="line"><a name="l02298"></a><span class="lineno"> 2298</span>&#160;                    + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][1]*stateRealLo  -  u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][1]*stateImagLo;</div>
<div class="line"><a name="l02299"></a><span class="lineno"> 2299</span>&#160;                stateVecImag[indexLo] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][0]*stateImagUp + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][0]*stateRealUp </div>
<div class="line"><a name="l02300"></a><span class="lineno"> 2300</span>&#160;                    + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][1]*stateImagLo + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][1]*stateRealLo;</div>
<div class="line"><a name="l02301"></a><span class="lineno"> 2301</span>&#160;            }</div>
<div class="line"><a name="l02302"></a><span class="lineno"> 2302</span>&#160;        } </div>
<div class="line"><a name="l02303"></a><span class="lineno"> 2303</span>&#160;    }</div>
<div class="line"><a name="l02304"></a><span class="lineno"> 2304</span>&#160; </div>
<div class="line"><a name="l02305"></a><span class="lineno"> 2305</span>&#160;}</div>
<div class="line"><a name="l02306"></a><span class="lineno"> 2306</span>&#160; </div>
<div class="line"><a name="l02319"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a071baf8b6951d2a7d6529394b6f39364"> 2319</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a071baf8b6951d2a7d6529394b6f39364">statevec_controlledCompactUnitaryDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit,</div>
<div class="line"><a name="l02320"></a><span class="lineno"> 2320</span>&#160;        <a class="code" href="structComplex.html">Complex</a> rot1, <a class="code" href="structComplex.html">Complex</a> rot2,</div>
<div class="line"><a name="l02321"></a><span class="lineno"> 2321</span>&#160;        ComplexArray stateVecUp,</div>
<div class="line"><a name="l02322"></a><span class="lineno"> 2322</span>&#160;        ComplexArray stateVecLo,</div>
<div class="line"><a name="l02323"></a><span class="lineno"> 2323</span>&#160;        ComplexArray stateVecOut)</div>
<div class="line"><a name="l02324"></a><span class="lineno"> 2324</span>&#160;{</div>
<div class="line"><a name="l02325"></a><span class="lineno"> 2325</span>&#160; </div>
<div class="line"><a name="l02326"></a><span class="lineno"> 2326</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>   stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02327"></a><span class="lineno"> 2327</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;  </div>
<div class="line"><a name="l02328"></a><span class="lineno"> 2328</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02329"></a><span class="lineno"> 2329</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02330"></a><span class="lineno"> 2330</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02331"></a><span class="lineno"> 2331</span>&#160; </div>
<div class="line"><a name="l02332"></a><span class="lineno"> 2332</span>&#160;    <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02333"></a><span class="lineno"> 2333</span>&#160; </div>
<div class="line"><a name="l02334"></a><span class="lineno"> 2334</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot1Real=rot1.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot1Imag=rot1.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02335"></a><span class="lineno"> 2335</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot2Real=rot2.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot2Imag=rot2.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02336"></a><span class="lineno"> 2336</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02337"></a><span class="lineno"> 2337</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02338"></a><span class="lineno"> 2338</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02339"></a><span class="lineno"> 2339</span>&#160; </div>
<div class="line"><a name="l02340"></a><span class="lineno"> 2340</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02341"></a><span class="lineno"> 2341</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02342"></a><span class="lineno"> 2342</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02343"></a><span class="lineno"> 2343</span>&#160;<span class="preprocessor">    shared   (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02344"></a><span class="lineno"> 2344</span>&#160;<span class="preprocessor">            rot1Real,rot1Imag, rot2Real,rot2Imag,numTasks,chunkId,chunkSize,controlQubit) \</span></div>
<div class="line"><a name="l02345"></a><span class="lineno"> 2345</span>&#160;<span class="preprocessor">    private  (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo,controlBit)</span></div>
<div class="line"><a name="l02346"></a><span class="lineno"> 2346</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02347"></a><span class="lineno"> 2347</span>&#160;    {</div>
<div class="line"><a name="l02348"></a><span class="lineno"> 2348</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02349"></a><span class="lineno"> 2349</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02350"></a><span class="lineno"> 2350</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02351"></a><span class="lineno"> 2351</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02352"></a><span class="lineno"> 2352</span>&#160;            controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (controlQubit, thisTask+chunkId*chunkSize);</div>
<div class="line"><a name="l02353"></a><span class="lineno"> 2353</span>&#160;            <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02354"></a><span class="lineno"> 2354</span>&#160;                <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02355"></a><span class="lineno"> 2355</span>&#160;                stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02356"></a><span class="lineno"> 2356</span>&#160;                stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02357"></a><span class="lineno"> 2357</span>&#160; </div>
<div class="line"><a name="l02358"></a><span class="lineno"> 2358</span>&#160;                stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02359"></a><span class="lineno"> 2359</span>&#160;                stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02360"></a><span class="lineno"> 2360</span>&#160; </div>
<div class="line"><a name="l02361"></a><span class="lineno"> 2361</span>&#160;                <span class="comment">// state[indexUp] = alpha * state[indexUp] - conj(beta)  * state[indexLo]</span></div>
<div class="line"><a name="l02362"></a><span class="lineno"> 2362</span>&#160;                stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp + rot2Real*stateRealLo + rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02363"></a><span class="lineno"> 2363</span>&#160;                stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp + rot2Real*stateImagLo - rot2Imag*stateRealLo;</div>
<div class="line"><a name="l02364"></a><span class="lineno"> 2364</span>&#160;            }</div>
<div class="line"><a name="l02365"></a><span class="lineno"> 2365</span>&#160;        }</div>
<div class="line"><a name="l02366"></a><span class="lineno"> 2366</span>&#160;    }</div>
<div class="line"><a name="l02367"></a><span class="lineno"> 2367</span>&#160;}</div>
<div class="line"><a name="l02368"></a><span class="lineno"> 2368</span>&#160; </div>
<div class="line"><a name="l02381"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a57368529b2a7e76fec423cbfe9980b22"> 2381</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a57368529b2a7e76fec423cbfe9980b22">statevec_controlledUnitaryDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit,</div>
<div class="line"><a name="l02382"></a><span class="lineno"> 2382</span>&#160;        <a class="code" href="structComplex.html">Complex</a> rot1, <a class="code" href="structComplex.html">Complex</a> rot2,</div>
<div class="line"><a name="l02383"></a><span class="lineno"> 2383</span>&#160;        ComplexArray stateVecUp,</div>
<div class="line"><a name="l02384"></a><span class="lineno"> 2384</span>&#160;        ComplexArray stateVecLo,</div>
<div class="line"><a name="l02385"></a><span class="lineno"> 2385</span>&#160;        ComplexArray stateVecOut)</div>
<div class="line"><a name="l02386"></a><span class="lineno"> 2386</span>&#160;{</div>
<div class="line"><a name="l02387"></a><span class="lineno"> 2387</span>&#160; </div>
<div class="line"><a name="l02388"></a><span class="lineno"> 2388</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>   stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02389"></a><span class="lineno"> 2389</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;  </div>
<div class="line"><a name="l02390"></a><span class="lineno"> 2390</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02391"></a><span class="lineno"> 2391</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02392"></a><span class="lineno"> 2392</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02393"></a><span class="lineno"> 2393</span>&#160; </div>
<div class="line"><a name="l02394"></a><span class="lineno"> 2394</span>&#160;    <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02395"></a><span class="lineno"> 2395</span>&#160; </div>
<div class="line"><a name="l02396"></a><span class="lineno"> 2396</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot1Real=rot1.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot1Imag=rot1.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02397"></a><span class="lineno"> 2397</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot2Real=rot2.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot2Imag=rot2.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02398"></a><span class="lineno"> 2398</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02399"></a><span class="lineno"> 2399</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02400"></a><span class="lineno"> 2400</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02401"></a><span class="lineno"> 2401</span>&#160; </div>
<div class="line"><a name="l02402"></a><span class="lineno"> 2402</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02403"></a><span class="lineno"> 2403</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02404"></a><span class="lineno"> 2404</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02405"></a><span class="lineno"> 2405</span>&#160;<span class="preprocessor">    shared   (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02406"></a><span class="lineno"> 2406</span>&#160;<span class="preprocessor">            rot1Real,rot1Imag, rot2Real,rot2Imag, numTasks,chunkId,chunkSize,controlQubit) \</span></div>
<div class="line"><a name="l02407"></a><span class="lineno"> 2407</span>&#160;<span class="preprocessor">    private  (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo,controlBit)</span></div>
<div class="line"><a name="l02408"></a><span class="lineno"> 2408</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02409"></a><span class="lineno"> 2409</span>&#160;    {</div>
<div class="line"><a name="l02410"></a><span class="lineno"> 2410</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02411"></a><span class="lineno"> 2411</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02412"></a><span class="lineno"> 2412</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02413"></a><span class="lineno"> 2413</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02414"></a><span class="lineno"> 2414</span>&#160;            controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (controlQubit, thisTask+chunkId*chunkSize);</div>
<div class="line"><a name="l02415"></a><span class="lineno"> 2415</span>&#160;            <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02416"></a><span class="lineno"> 2416</span>&#160;                <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02417"></a><span class="lineno"> 2417</span>&#160;                stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02418"></a><span class="lineno"> 2418</span>&#160;                stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02419"></a><span class="lineno"> 2419</span>&#160; </div>
<div class="line"><a name="l02420"></a><span class="lineno"> 2420</span>&#160;                stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02421"></a><span class="lineno"> 2421</span>&#160;                stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02422"></a><span class="lineno"> 2422</span>&#160; </div>
<div class="line"><a name="l02423"></a><span class="lineno"> 2423</span>&#160;                stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp </div>
<div class="line"><a name="l02424"></a><span class="lineno"> 2424</span>&#160;                    + rot2Real*stateRealLo - rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02425"></a><span class="lineno"> 2425</span>&#160;                stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp </div>
<div class="line"><a name="l02426"></a><span class="lineno"> 2426</span>&#160;                    + rot2Real*stateImagLo + rot2Imag*stateRealLo;</div>
<div class="line"><a name="l02427"></a><span class="lineno"> 2427</span>&#160;            }</div>
<div class="line"><a name="l02428"></a><span class="lineno"> 2428</span>&#160;        }</div>
<div class="line"><a name="l02429"></a><span class="lineno"> 2429</span>&#160;    }</div>
<div class="line"><a name="l02430"></a><span class="lineno"> 2430</span>&#160;}</div>
<div class="line"><a name="l02431"></a><span class="lineno"> 2431</span>&#160; </div>
<div class="line"><a name="l02447"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab58fe4be895283c2c4eb86ec9af5682e"> 2447</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab58fe4be895283c2c4eb86ec9af5682e">statevec_multiControlledUnitaryDistributed</a> (</div>
<div class="line"><a name="l02448"></a><span class="lineno"> 2448</span>&#160;        <a class="code" href="structQureg.html">Qureg</a> qureg, </div>
<div class="line"><a name="l02449"></a><span class="lineno"> 2449</span>&#160;        <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l02450"></a><span class="lineno"> 2450</span>&#160;        <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ctrlQubitsMask, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ctrlFlipMask,</div>
<div class="line"><a name="l02451"></a><span class="lineno"> 2451</span>&#160;        <a class="code" href="structComplex.html">Complex</a> rot1, <a class="code" href="structComplex.html">Complex</a> rot2,</div>
<div class="line"><a name="l02452"></a><span class="lineno"> 2452</span>&#160;        ComplexArray stateVecUp,</div>
<div class="line"><a name="l02453"></a><span class="lineno"> 2453</span>&#160;        ComplexArray stateVecLo,</div>
<div class="line"><a name="l02454"></a><span class="lineno"> 2454</span>&#160;        ComplexArray stateVecOut)</div>
<div class="line"><a name="l02455"></a><span class="lineno"> 2455</span>&#160;{</div>
<div class="line"><a name="l02456"></a><span class="lineno"> 2456</span>&#160; </div>
<div class="line"><a name="l02457"></a><span class="lineno"> 2457</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>   stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02458"></a><span class="lineno"> 2458</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;  </div>
<div class="line"><a name="l02459"></a><span class="lineno"> 2459</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02460"></a><span class="lineno"> 2460</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02461"></a><span class="lineno"> 2461</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02462"></a><span class="lineno"> 2462</span>&#160; </div>
<div class="line"><a name="l02463"></a><span class="lineno"> 2463</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot1Real=rot1.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot1Imag=rot1.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02464"></a><span class="lineno"> 2464</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot2Real=rot2.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot2Imag=rot2.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02465"></a><span class="lineno"> 2465</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02466"></a><span class="lineno"> 2466</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02467"></a><span class="lineno"> 2467</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02468"></a><span class="lineno"> 2468</span>&#160; </div>
<div class="line"><a name="l02469"></a><span class="lineno"> 2469</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02470"></a><span class="lineno"> 2470</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02471"></a><span class="lineno"> 2471</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02472"></a><span class="lineno"> 2472</span>&#160;<span class="preprocessor">    shared   (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02473"></a><span class="lineno"> 2473</span>&#160;<span class="preprocessor">            rot1Real,rot1Imag, rot2Real,rot2Imag, ctrlQubitsMask,ctrlFlipMask, numTasks,chunkId,chunkSize) \</span></div>
<div class="line"><a name="l02474"></a><span class="lineno"> 2474</span>&#160;<span class="preprocessor">    private  (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l02475"></a><span class="lineno"> 2475</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02476"></a><span class="lineno"> 2476</span>&#160;    {</div>
<div class="line"><a name="l02477"></a><span class="lineno"> 2477</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02478"></a><span class="lineno"> 2478</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02479"></a><span class="lineno"> 2479</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02480"></a><span class="lineno"> 2480</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02481"></a><span class="lineno"> 2481</span>&#160;            <span class="keywordflow">if</span> (ctrlQubitsMask == (ctrlQubitsMask &amp; ((thisTask+chunkId*chunkSize) ^ ctrlFlipMask))) {</div>
<div class="line"><a name="l02482"></a><span class="lineno"> 2482</span>&#160;                <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02483"></a><span class="lineno"> 2483</span>&#160;                stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02484"></a><span class="lineno"> 2484</span>&#160;                stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02485"></a><span class="lineno"> 2485</span>&#160; </div>
<div class="line"><a name="l02486"></a><span class="lineno"> 2486</span>&#160;                stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02487"></a><span class="lineno"> 2487</span>&#160;                stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02488"></a><span class="lineno"> 2488</span>&#160; </div>
<div class="line"><a name="l02489"></a><span class="lineno"> 2489</span>&#160;                stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp </div>
<div class="line"><a name="l02490"></a><span class="lineno"> 2490</span>&#160;                    + rot2Real*stateRealLo - rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02491"></a><span class="lineno"> 2491</span>&#160;                stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp </div>
<div class="line"><a name="l02492"></a><span class="lineno"> 2492</span>&#160;                    + rot2Real*stateImagLo + rot2Imag*stateRealLo;</div>
<div class="line"><a name="l02493"></a><span class="lineno"> 2493</span>&#160;            }</div>
<div class="line"><a name="l02494"></a><span class="lineno"> 2494</span>&#160;        }</div>
<div class="line"><a name="l02495"></a><span class="lineno"> 2495</span>&#160;    }</div>
<div class="line"><a name="l02496"></a><span class="lineno"> 2496</span>&#160;}</div>
<div class="line"><a name="l02497"></a><span class="lineno"> 2497</span>&#160; </div>
<div class="line"><a name="l02498"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#aa987d1e0ba97da2ca540194356dd62de"> 2498</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aa987d1e0ba97da2ca540194356dd62de">statevec_pauliXLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit)</div>
<div class="line"><a name="l02499"></a><span class="lineno"> 2499</span>&#160;{</div>
<div class="line"><a name="l02500"></a><span class="lineno"> 2500</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02501"></a><span class="lineno"> 2501</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02502"></a><span class="lineno"> 2502</span>&#160;         indexUp,indexLo;    <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02503"></a><span class="lineno"> 2503</span>&#160; </div>
<div class="line"><a name="l02504"></a><span class="lineno"> 2504</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateImagUp;</div>
<div class="line"><a name="l02505"></a><span class="lineno"> 2505</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l02506"></a><span class="lineno"> 2506</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l02507"></a><span class="lineno"> 2507</span>&#160; </div>
<div class="line"><a name="l02508"></a><span class="lineno"> 2508</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02509"></a><span class="lineno"> 2509</span>&#160;    sizeHalfBlock = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l02510"></a><span class="lineno"> 2510</span>&#160;    sizeBlock     = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02511"></a><span class="lineno"> 2511</span>&#160; </div>
<div class="line"><a name="l02512"></a><span class="lineno"> 2512</span>&#160;    <span class="comment">// Can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02513"></a><span class="lineno"> 2513</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02514"></a><span class="lineno"> 2514</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02515"></a><span class="lineno"> 2515</span>&#160; </div>
<div class="line"><a name="l02516"></a><span class="lineno"> 2516</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02517"></a><span class="lineno"> 2517</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02518"></a><span class="lineno"> 2518</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02519"></a><span class="lineno"> 2519</span>&#160;<span class="preprocessor">    shared   (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, numTasks) \</span></div>
<div class="line"><a name="l02520"></a><span class="lineno"> 2520</span>&#160;<span class="preprocessor">    private  (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp)</span></div>
<div class="line"><a name="l02521"></a><span class="lineno"> 2521</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02522"></a><span class="lineno"> 2522</span>&#160;    {</div>
<div class="line"><a name="l02523"></a><span class="lineno"> 2523</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02524"></a><span class="lineno"> 2524</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02525"></a><span class="lineno"> 2525</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02526"></a><span class="lineno"> 2526</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02527"></a><span class="lineno"> 2527</span>&#160;            thisBlock   = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02528"></a><span class="lineno"> 2528</span>&#160;            indexUp     = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02529"></a><span class="lineno"> 2529</span>&#160;            indexLo     = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02530"></a><span class="lineno"> 2530</span>&#160; </div>
<div class="line"><a name="l02531"></a><span class="lineno"> 2531</span>&#160;            stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02532"></a><span class="lineno"> 2532</span>&#160;            stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02533"></a><span class="lineno"> 2533</span>&#160; </div>
<div class="line"><a name="l02534"></a><span class="lineno"> 2534</span>&#160;            stateVecReal[indexUp] = stateVecReal[indexLo];</div>
<div class="line"><a name="l02535"></a><span class="lineno"> 2535</span>&#160;            stateVecImag[indexUp] = stateVecImag[indexLo];</div>
<div class="line"><a name="l02536"></a><span class="lineno"> 2536</span>&#160; </div>
<div class="line"><a name="l02537"></a><span class="lineno"> 2537</span>&#160;            stateVecReal[indexLo] = stateRealUp;</div>
<div class="line"><a name="l02538"></a><span class="lineno"> 2538</span>&#160;            stateVecImag[indexLo] = stateImagUp;</div>
<div class="line"><a name="l02539"></a><span class="lineno"> 2539</span>&#160;        } </div>
<div class="line"><a name="l02540"></a><span class="lineno"> 2540</span>&#160;    }</div>
<div class="line"><a name="l02541"></a><span class="lineno"> 2541</span>&#160; </div>
<div class="line"><a name="l02542"></a><span class="lineno"> 2542</span>&#160;}</div>
<div class="line"><a name="l02543"></a><span class="lineno"> 2543</span>&#160; </div>
<div class="line"><a name="l02556"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a464efbd1d7ca5a7b25c83ada001955c2"> 2556</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a464efbd1d7ca5a7b25c83ada001955c2">statevec_pauliXDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l02557"></a><span class="lineno"> 2557</span>&#160;        ComplexArray stateVecIn,</div>
<div class="line"><a name="l02558"></a><span class="lineno"> 2558</span>&#160;        ComplexArray stateVecOut)</div>
<div class="line"><a name="l02559"></a><span class="lineno"> 2559</span>&#160;{</div>
<div class="line"><a name="l02560"></a><span class="lineno"> 2560</span>&#160; </div>
<div class="line"><a name="l02561"></a><span class="lineno"> 2561</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;  </div>
<div class="line"><a name="l02562"></a><span class="lineno"> 2562</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02563"></a><span class="lineno"> 2563</span>&#160; </div>
<div class="line"><a name="l02564"></a><span class="lineno"> 2564</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealIn=stateVecIn.real, *stateVecImagIn=stateVecIn.imag;</div>
<div class="line"><a name="l02565"></a><span class="lineno"> 2565</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02566"></a><span class="lineno"> 2566</span>&#160; </div>
<div class="line"><a name="l02567"></a><span class="lineno"> 2567</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02568"></a><span class="lineno"> 2568</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02569"></a><span class="lineno"> 2569</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02570"></a><span class="lineno"> 2570</span>&#160;<span class="preprocessor">    shared   (stateVecRealIn,stateVecImagIn,stateVecRealOut,stateVecImagOut,numTasks) \</span></div>
<div class="line"><a name="l02571"></a><span class="lineno"> 2571</span>&#160;<span class="preprocessor">    private  (thisTask)</span></div>
<div class="line"><a name="l02572"></a><span class="lineno"> 2572</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02573"></a><span class="lineno"> 2573</span>&#160;    {</div>
<div class="line"><a name="l02574"></a><span class="lineno"> 2574</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02575"></a><span class="lineno"> 2575</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02576"></a><span class="lineno"> 2576</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02577"></a><span class="lineno"> 2577</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02578"></a><span class="lineno"> 2578</span>&#160;            stateVecRealOut[thisTask] = stateVecRealIn[thisTask];</div>
<div class="line"><a name="l02579"></a><span class="lineno"> 2579</span>&#160;            stateVecImagOut[thisTask] = stateVecImagIn[thisTask];</div>
<div class="line"><a name="l02580"></a><span class="lineno"> 2580</span>&#160;        }</div>
<div class="line"><a name="l02581"></a><span class="lineno"> 2581</span>&#160;    }</div>
<div class="line"><a name="l02582"></a><span class="lineno"> 2582</span>&#160;} </div>
<div class="line"><a name="l02583"></a><span class="lineno"> 2583</span>&#160; </div>
<div class="line"><a name="l02584"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ace1482ef82b83e7f926634a67b322fc4"> 2584</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ace1482ef82b83e7f926634a67b322fc4">statevec_controlledNotLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit, <span class="keywordtype">int</span> targetQubit)</div>
<div class="line"><a name="l02585"></a><span class="lineno"> 2585</span>&#160;{</div>
<div class="line"><a name="l02586"></a><span class="lineno"> 2586</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02587"></a><span class="lineno"> 2587</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02588"></a><span class="lineno"> 2588</span>&#160;         indexUp,indexLo;    <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02589"></a><span class="lineno"> 2589</span>&#160; </div>
<div class="line"><a name="l02590"></a><span class="lineno"> 2590</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateImagUp;</div>
<div class="line"><a name="l02591"></a><span class="lineno"> 2591</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l02592"></a><span class="lineno"> 2592</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l02593"></a><span class="lineno"> 2593</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02594"></a><span class="lineno"> 2594</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02595"></a><span class="lineno"> 2595</span>&#160; </div>
<div class="line"><a name="l02596"></a><span class="lineno"> 2596</span>&#160;    <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02597"></a><span class="lineno"> 2597</span>&#160; </div>
<div class="line"><a name="l02598"></a><span class="lineno"> 2598</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02599"></a><span class="lineno"> 2599</span>&#160;    sizeHalfBlock = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l02600"></a><span class="lineno"> 2600</span>&#160;    sizeBlock     = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02601"></a><span class="lineno"> 2601</span>&#160; </div>
<div class="line"><a name="l02602"></a><span class="lineno"> 2602</span>&#160;    <span class="comment">// Can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02603"></a><span class="lineno"> 2603</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02604"></a><span class="lineno"> 2604</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02605"></a><span class="lineno"> 2605</span>&#160; </div>
<div class="line"><a name="l02606"></a><span class="lineno"> 2606</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02607"></a><span class="lineno"> 2607</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02608"></a><span class="lineno"> 2608</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02609"></a><span class="lineno"> 2609</span>&#160;<span class="preprocessor">    shared   (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag,numTasks,chunkId,chunkSize,controlQubit) \</span></div>
<div class="line"><a name="l02610"></a><span class="lineno"> 2610</span>&#160;<span class="preprocessor">    private  (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,controlBit)</span></div>
<div class="line"><a name="l02611"></a><span class="lineno"> 2611</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02612"></a><span class="lineno"> 2612</span>&#160;    {</div>
<div class="line"><a name="l02613"></a><span class="lineno"> 2613</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02614"></a><span class="lineno"> 2614</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02615"></a><span class="lineno"> 2615</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02616"></a><span class="lineno"> 2616</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02617"></a><span class="lineno"> 2617</span>&#160;            thisBlock   = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02618"></a><span class="lineno"> 2618</span>&#160;            indexUp     = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02619"></a><span class="lineno"> 2619</span>&#160;            indexLo     = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02620"></a><span class="lineno"> 2620</span>&#160; </div>
<div class="line"><a name="l02621"></a><span class="lineno"> 2621</span>&#160;            controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(controlQubit, indexUp+chunkId*chunkSize);</div>
<div class="line"><a name="l02622"></a><span class="lineno"> 2622</span>&#160;            <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02623"></a><span class="lineno"> 2623</span>&#160;                stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02624"></a><span class="lineno"> 2624</span>&#160;                stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02625"></a><span class="lineno"> 2625</span>&#160; </div>
<div class="line"><a name="l02626"></a><span class="lineno"> 2626</span>&#160;                stateVecReal[indexUp] = stateVecReal[indexLo];</div>
<div class="line"><a name="l02627"></a><span class="lineno"> 2627</span>&#160;                stateVecImag[indexUp] = stateVecImag[indexLo];</div>
<div class="line"><a name="l02628"></a><span class="lineno"> 2628</span>&#160; </div>
<div class="line"><a name="l02629"></a><span class="lineno"> 2629</span>&#160;                stateVecReal[indexLo] = stateRealUp;</div>
<div class="line"><a name="l02630"></a><span class="lineno"> 2630</span>&#160;                stateVecImag[indexLo] = stateImagUp;</div>
<div class="line"><a name="l02631"></a><span class="lineno"> 2631</span>&#160;            }</div>
<div class="line"><a name="l02632"></a><span class="lineno"> 2632</span>&#160;        } </div>
<div class="line"><a name="l02633"></a><span class="lineno"> 2633</span>&#160;    }</div>
<div class="line"><a name="l02634"></a><span class="lineno"> 2634</span>&#160;}</div>
<div class="line"><a name="l02635"></a><span class="lineno"> 2635</span>&#160; </div>
<div class="line"><a name="l02646"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a393da4c4bc582a757ca8406d8501aca0"> 2646</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a393da4c4bc582a757ca8406d8501aca0">statevec_controlledNotDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit,</div>
<div class="line"><a name="l02647"></a><span class="lineno"> 2647</span>&#160;        ComplexArray stateVecIn,</div>
<div class="line"><a name="l02648"></a><span class="lineno"> 2648</span>&#160;        ComplexArray stateVecOut)</div>
<div class="line"><a name="l02649"></a><span class="lineno"> 2649</span>&#160;{</div>
<div class="line"><a name="l02650"></a><span class="lineno"> 2650</span>&#160; </div>
<div class="line"><a name="l02651"></a><span class="lineno"> 2651</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;  </div>
<div class="line"><a name="l02652"></a><span class="lineno"> 2652</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02653"></a><span class="lineno"> 2653</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02654"></a><span class="lineno"> 2654</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02655"></a><span class="lineno"> 2655</span>&#160; </div>
<div class="line"><a name="l02656"></a><span class="lineno"> 2656</span>&#160;    <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02657"></a><span class="lineno"> 2657</span>&#160; </div>
<div class="line"><a name="l02658"></a><span class="lineno"> 2658</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealIn=stateVecIn.real, *stateVecImagIn=stateVecIn.imag;</div>
<div class="line"><a name="l02659"></a><span class="lineno"> 2659</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02660"></a><span class="lineno"> 2660</span>&#160; </div>
<div class="line"><a name="l02661"></a><span class="lineno"> 2661</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02662"></a><span class="lineno"> 2662</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02663"></a><span class="lineno"> 2663</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02664"></a><span class="lineno"> 2664</span>&#160;<span class="preprocessor">    shared   (stateVecRealIn,stateVecImagIn,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02665"></a><span class="lineno"> 2665</span>&#160;<span class="preprocessor">                numTasks,chunkId,chunkSize,controlQubit) \</span></div>
<div class="line"><a name="l02666"></a><span class="lineno"> 2666</span>&#160;<span class="preprocessor">    private  (thisTask,controlBit)</span></div>
<div class="line"><a name="l02667"></a><span class="lineno"> 2667</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02668"></a><span class="lineno"> 2668</span>&#160;    {</div>
<div class="line"><a name="l02669"></a><span class="lineno"> 2669</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02670"></a><span class="lineno"> 2670</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02671"></a><span class="lineno"> 2671</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02672"></a><span class="lineno"> 2672</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02673"></a><span class="lineno"> 2673</span>&#160;            controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (controlQubit, thisTask+chunkId*chunkSize);</div>
<div class="line"><a name="l02674"></a><span class="lineno"> 2674</span>&#160;            <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02675"></a><span class="lineno"> 2675</span>&#160;                stateVecRealOut[thisTask] = stateVecRealIn[thisTask];</div>
<div class="line"><a name="l02676"></a><span class="lineno"> 2676</span>&#160;                stateVecImagOut[thisTask] = stateVecImagIn[thisTask];</div>
<div class="line"><a name="l02677"></a><span class="lineno"> 2677</span>&#160;            }</div>
<div class="line"><a name="l02678"></a><span class="lineno"> 2678</span>&#160;        }</div>
<div class="line"><a name="l02679"></a><span class="lineno"> 2679</span>&#160;    }</div>
<div class="line"><a name="l02680"></a><span class="lineno"> 2680</span>&#160;} </div>
<div class="line"><a name="l02681"></a><span class="lineno"> 2681</span>&#160; </div>
<div class="line"><a name="l02682"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a45b0916c3e121837f214b64f7424e479"> 2682</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a45b0916c3e121837f214b64f7424e479">statevec_pauliYLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <span class="keywordtype">int</span> conjFac)</div>
<div class="line"><a name="l02683"></a><span class="lineno"> 2683</span>&#160;{</div>
<div class="line"><a name="l02684"></a><span class="lineno"> 2684</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02685"></a><span class="lineno"> 2685</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02686"></a><span class="lineno"> 2686</span>&#160;         indexUp,indexLo;    <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02687"></a><span class="lineno"> 2687</span>&#160; </div>
<div class="line"><a name="l02688"></a><span class="lineno"> 2688</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateImagUp;</div>
<div class="line"><a name="l02689"></a><span class="lineno"> 2689</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l02690"></a><span class="lineno"> 2690</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l02691"></a><span class="lineno"> 2691</span>&#160; </div>
<div class="line"><a name="l02692"></a><span class="lineno"> 2692</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02693"></a><span class="lineno"> 2693</span>&#160;    sizeHalfBlock = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l02694"></a><span class="lineno"> 2694</span>&#160;    sizeBlock     = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02695"></a><span class="lineno"> 2695</span>&#160; </div>
<div class="line"><a name="l02696"></a><span class="lineno"> 2696</span>&#160;    <span class="comment">// Can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02697"></a><span class="lineno"> 2697</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02698"></a><span class="lineno"> 2698</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02699"></a><span class="lineno"> 2699</span>&#160; </div>
<div class="line"><a name="l02700"></a><span class="lineno"> 2700</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02701"></a><span class="lineno"> 2701</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02702"></a><span class="lineno"> 2702</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02703"></a><span class="lineno"> 2703</span>&#160;<span class="preprocessor">    shared   (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, numTasks,conjFac) \</span></div>
<div class="line"><a name="l02704"></a><span class="lineno"> 2704</span>&#160;<span class="preprocessor">    private  (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp)</span></div>
<div class="line"><a name="l02705"></a><span class="lineno"> 2705</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02706"></a><span class="lineno"> 2706</span>&#160;    {</div>
<div class="line"><a name="l02707"></a><span class="lineno"> 2707</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02708"></a><span class="lineno"> 2708</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02709"></a><span class="lineno"> 2709</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02710"></a><span class="lineno"> 2710</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02711"></a><span class="lineno"> 2711</span>&#160;            thisBlock   = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02712"></a><span class="lineno"> 2712</span>&#160;            indexUp     = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02713"></a><span class="lineno"> 2713</span>&#160;            indexLo     = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02714"></a><span class="lineno"> 2714</span>&#160; </div>
<div class="line"><a name="l02715"></a><span class="lineno"> 2715</span>&#160;            stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02716"></a><span class="lineno"> 2716</span>&#160;            stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02717"></a><span class="lineno"> 2717</span>&#160; </div>
<div class="line"><a name="l02718"></a><span class="lineno"> 2718</span>&#160;            stateVecReal[indexUp] = conjFac * stateVecImag[indexLo];</div>
<div class="line"><a name="l02719"></a><span class="lineno"> 2719</span>&#160;            stateVecImag[indexUp] = conjFac * -stateVecReal[indexLo];</div>
<div class="line"><a name="l02720"></a><span class="lineno"> 2720</span>&#160;            stateVecReal[indexLo] = conjFac * -stateImagUp;</div>
<div class="line"><a name="l02721"></a><span class="lineno"> 2721</span>&#160;            stateVecImag[indexLo] = conjFac * stateRealUp;</div>
<div class="line"><a name="l02722"></a><span class="lineno"> 2722</span>&#160;        } </div>
<div class="line"><a name="l02723"></a><span class="lineno"> 2723</span>&#160;    }</div>
<div class="line"><a name="l02724"></a><span class="lineno"> 2724</span>&#160;}</div>
<div class="line"><a name="l02725"></a><span class="lineno"> 2725</span>&#160; </div>
<div class="line"><a name="l02739"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a0f562af6cb665a8a7a3f80e9449734d5"> 2739</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a0f562af6cb665a8a7a3f80e9449734d5">statevec_pauliYDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l02740"></a><span class="lineno"> 2740</span>&#160;        ComplexArray stateVecIn,</div>
<div class="line"><a name="l02741"></a><span class="lineno"> 2741</span>&#160;        ComplexArray stateVecOut, </div>
<div class="line"><a name="l02742"></a><span class="lineno"> 2742</span>&#160;        <span class="keywordtype">int</span> updateUpper, <span class="keywordtype">int</span> conjFac)</div>
<div class="line"><a name="l02743"></a><span class="lineno"> 2743</span>&#160;{</div>
<div class="line"><a name="l02744"></a><span class="lineno"> 2744</span>&#160; </div>
<div class="line"><a name="l02745"></a><span class="lineno"> 2745</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;  </div>
<div class="line"><a name="l02746"></a><span class="lineno"> 2746</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02747"></a><span class="lineno"> 2747</span>&#160; </div>
<div class="line"><a name="l02748"></a><span class="lineno"> 2748</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealIn=stateVecIn.real, *stateVecImagIn=stateVecIn.imag;</div>
<div class="line"><a name="l02749"></a><span class="lineno"> 2749</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02750"></a><span class="lineno"> 2750</span>&#160; </div>
<div class="line"><a name="l02751"></a><span class="lineno"> 2751</span>&#160;    <span class="keywordtype">int</span> realSign=1, imagSign=1;</div>
<div class="line"><a name="l02752"></a><span class="lineno"> 2752</span>&#160;    <span class="keywordflow">if</span> (updateUpper) imagSign=-1;</div>
<div class="line"><a name="l02753"></a><span class="lineno"> 2753</span>&#160;    <span class="keywordflow">else</span> realSign = -1;</div>
<div class="line"><a name="l02754"></a><span class="lineno"> 2754</span>&#160; </div>
<div class="line"><a name="l02755"></a><span class="lineno"> 2755</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02756"></a><span class="lineno"> 2756</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02757"></a><span class="lineno"> 2757</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02758"></a><span class="lineno"> 2758</span>&#160;<span class="preprocessor">    shared   (stateVecRealIn,stateVecImagIn,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02759"></a><span class="lineno"> 2759</span>&#160;<span class="preprocessor">                realSign,imagSign, numTasks,conjFac) \</span></div>
<div class="line"><a name="l02760"></a><span class="lineno"> 2760</span>&#160;<span class="preprocessor">    private  (thisTask)</span></div>
<div class="line"><a name="l02761"></a><span class="lineno"> 2761</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02762"></a><span class="lineno"> 2762</span>&#160;    {</div>
<div class="line"><a name="l02763"></a><span class="lineno"> 2763</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02764"></a><span class="lineno"> 2764</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02765"></a><span class="lineno"> 2765</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02766"></a><span class="lineno"> 2766</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02767"></a><span class="lineno"> 2767</span>&#160;            stateVecRealOut[thisTask] = conjFac * realSign * stateVecImagIn[thisTask];</div>
<div class="line"><a name="l02768"></a><span class="lineno"> 2768</span>&#160;            stateVecImagOut[thisTask] = conjFac * imagSign * stateVecRealIn[thisTask];</div>
<div class="line"><a name="l02769"></a><span class="lineno"> 2769</span>&#160;        }</div>
<div class="line"><a name="l02770"></a><span class="lineno"> 2770</span>&#160;    }</div>
<div class="line"><a name="l02771"></a><span class="lineno"> 2771</span>&#160;} </div>
<div class="line"><a name="l02772"></a><span class="lineno"> 2772</span>&#160; </div>
<div class="line"><a name="l02773"></a><span class="lineno"> 2773</span>&#160; </div>
<div class="line"><a name="l02774"></a><span class="lineno"> 2774</span>&#160; </div>
<div class="line"><a name="l02775"></a><span class="lineno"> 2775</span>&#160; </div>
<div class="line"><a name="l02776"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#abc6383ac53124601e58922205b3cc484"> 2776</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a06fb16aa4af7c54d36052a14d3ad58a7">statevec_controlledPauliYLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit, <span class="keywordtype">int</span> targetQubit, <span class="keywordtype">int</span> conjFac)</div>
<div class="line"><a name="l02777"></a><span class="lineno"> 2777</span>&#160;{</div>
<div class="line"><a name="l02778"></a><span class="lineno"> 2778</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02779"></a><span class="lineno"> 2779</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02780"></a><span class="lineno"> 2780</span>&#160;         indexUp,indexLo;    <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02781"></a><span class="lineno"> 2781</span>&#160; </div>
<div class="line"><a name="l02782"></a><span class="lineno"> 2782</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateImagUp;</div>
<div class="line"><a name="l02783"></a><span class="lineno"> 2783</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l02784"></a><span class="lineno"> 2784</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l02785"></a><span class="lineno"> 2785</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02786"></a><span class="lineno"> 2786</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02787"></a><span class="lineno"> 2787</span>&#160; </div>
<div class="line"><a name="l02788"></a><span class="lineno"> 2788</span>&#160;    <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02789"></a><span class="lineno"> 2789</span>&#160; </div>
<div class="line"><a name="l02790"></a><span class="lineno"> 2790</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02791"></a><span class="lineno"> 2791</span>&#160;    sizeHalfBlock = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l02792"></a><span class="lineno"> 2792</span>&#160;    sizeBlock     = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02793"></a><span class="lineno"> 2793</span>&#160; </div>
<div class="line"><a name="l02794"></a><span class="lineno"> 2794</span>&#160;    <span class="comment">// Can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02795"></a><span class="lineno"> 2795</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02796"></a><span class="lineno"> 2796</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02797"></a><span class="lineno"> 2797</span>&#160; </div>
<div class="line"><a name="l02798"></a><span class="lineno"> 2798</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02799"></a><span class="lineno"> 2799</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02800"></a><span class="lineno"> 2800</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02801"></a><span class="lineno"> 2801</span>&#160;<span class="preprocessor">    shared   (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, numTasks,chunkId, \</span></div>
<div class="line"><a name="l02802"></a><span class="lineno"> 2802</span>&#160;<span class="preprocessor">                chunkSize,controlQubit,conjFac) \</span></div>
<div class="line"><a name="l02803"></a><span class="lineno"> 2803</span>&#160;<span class="preprocessor">    private  (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,controlBit)</span></div>
<div class="line"><a name="l02804"></a><span class="lineno"> 2804</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02805"></a><span class="lineno"> 2805</span>&#160;    {</div>
<div class="line"><a name="l02806"></a><span class="lineno"> 2806</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02807"></a><span class="lineno"> 2807</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02808"></a><span class="lineno"> 2808</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02809"></a><span class="lineno"> 2809</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02810"></a><span class="lineno"> 2810</span>&#160;            thisBlock   = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02811"></a><span class="lineno"> 2811</span>&#160;            indexUp     = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02812"></a><span class="lineno"> 2812</span>&#160;            indexLo     = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02813"></a><span class="lineno"> 2813</span>&#160; </div>
<div class="line"><a name="l02814"></a><span class="lineno"> 2814</span>&#160;            controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(controlQubit, indexUp+chunkId*chunkSize);</div>
<div class="line"><a name="l02815"></a><span class="lineno"> 2815</span>&#160;            <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02816"></a><span class="lineno"> 2816</span>&#160;                stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02817"></a><span class="lineno"> 2817</span>&#160;                stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02818"></a><span class="lineno"> 2818</span>&#160; </div>
<div class="line"><a name="l02819"></a><span class="lineno"> 2819</span>&#160;                <span class="comment">// update under +-{{0, -i}, {i, 0}}</span></div>
<div class="line"><a name="l02820"></a><span class="lineno"> 2820</span>&#160;                stateVecReal[indexUp] = conjFac * stateVecImag[indexLo];</div>
<div class="line"><a name="l02821"></a><span class="lineno"> 2821</span>&#160;                stateVecImag[indexUp] = conjFac * -stateVecReal[indexLo];</div>
<div class="line"><a name="l02822"></a><span class="lineno"> 2822</span>&#160;                stateVecReal[indexLo] = conjFac * -stateImagUp;</div>
<div class="line"><a name="l02823"></a><span class="lineno"> 2823</span>&#160;                stateVecImag[indexLo] = conjFac * stateRealUp;</div>
<div class="line"><a name="l02824"></a><span class="lineno"> 2824</span>&#160;            }</div>
<div class="line"><a name="l02825"></a><span class="lineno"> 2825</span>&#160;        } </div>
<div class="line"><a name="l02826"></a><span class="lineno"> 2826</span>&#160;    }</div>
<div class="line"><a name="l02827"></a><span class="lineno"> 2827</span>&#160;}</div>
<div class="line"><a name="l02828"></a><span class="lineno"> 2828</span>&#160; </div>
<div class="line"><a name="l02829"></a><span class="lineno"> 2829</span>&#160; </div>
<div class="line"><a name="l02830"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ae64f9630325b6f93c6e1e17b9918ecef"> 2830</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a790add229738945812ae2048c03d58ec">statevec_controlledPauliYDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit,</div>
<div class="line"><a name="l02831"></a><span class="lineno"> 2831</span>&#160;        ComplexArray stateVecIn,</div>
<div class="line"><a name="l02832"></a><span class="lineno"> 2832</span>&#160;        ComplexArray stateVecOut, <span class="keywordtype">int</span> conjFac)</div>
<div class="line"><a name="l02833"></a><span class="lineno"> 2833</span>&#160;{</div>
<div class="line"><a name="l02834"></a><span class="lineno"> 2834</span>&#160; </div>
<div class="line"><a name="l02835"></a><span class="lineno"> 2835</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;  </div>
<div class="line"><a name="l02836"></a><span class="lineno"> 2836</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02837"></a><span class="lineno"> 2837</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02838"></a><span class="lineno"> 2838</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02839"></a><span class="lineno"> 2839</span>&#160; </div>
<div class="line"><a name="l02840"></a><span class="lineno"> 2840</span>&#160;    <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02841"></a><span class="lineno"> 2841</span>&#160; </div>
<div class="line"><a name="l02842"></a><span class="lineno"> 2842</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealIn=stateVecIn.real, *stateVecImagIn=stateVecIn.imag;</div>
<div class="line"><a name="l02843"></a><span class="lineno"> 2843</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02844"></a><span class="lineno"> 2844</span>&#160; </div>
<div class="line"><a name="l02845"></a><span class="lineno"> 2845</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02846"></a><span class="lineno"> 2846</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02847"></a><span class="lineno"> 2847</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02848"></a><span class="lineno"> 2848</span>&#160;<span class="preprocessor">    shared   (stateVecRealIn,stateVecImagIn,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02849"></a><span class="lineno"> 2849</span>&#160;<span class="preprocessor">                numTasks,chunkId,chunkSize,controlQubit,conjFac) \</span></div>
<div class="line"><a name="l02850"></a><span class="lineno"> 2850</span>&#160;<span class="preprocessor">    private  (thisTask,controlBit)</span></div>
<div class="line"><a name="l02851"></a><span class="lineno"> 2851</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02852"></a><span class="lineno"> 2852</span>&#160;    {</div>
<div class="line"><a name="l02853"></a><span class="lineno"> 2853</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02854"></a><span class="lineno"> 2854</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02855"></a><span class="lineno"> 2855</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02856"></a><span class="lineno"> 2856</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02857"></a><span class="lineno"> 2857</span>&#160;            controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (controlQubit, thisTask+chunkId*chunkSize);</div>
<div class="line"><a name="l02858"></a><span class="lineno"> 2858</span>&#160;            <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02859"></a><span class="lineno"> 2859</span>&#160;                stateVecRealOut[thisTask] = conjFac * stateVecImagIn[thisTask];</div>
<div class="line"><a name="l02860"></a><span class="lineno"> 2860</span>&#160;                stateVecImagOut[thisTask] = conjFac * -stateVecRealIn[thisTask];</div>
<div class="line"><a name="l02861"></a><span class="lineno"> 2861</span>&#160;            }</div>
<div class="line"><a name="l02862"></a><span class="lineno"> 2862</span>&#160;        }</div>
<div class="line"><a name="l02863"></a><span class="lineno"> 2863</span>&#160;    }</div>
<div class="line"><a name="l02864"></a><span class="lineno"> 2864</span>&#160;} </div>
<div class="line"><a name="l02865"></a><span class="lineno"> 2865</span>&#160; </div>
<div class="line"><a name="l02866"></a><span class="lineno"> 2866</span>&#160; </div>
<div class="line"><a name="l02867"></a><span class="lineno"> 2867</span>&#160; </div>
<div class="line"><a name="l02868"></a><span class="lineno"> 2868</span>&#160; </div>
<div class="line"><a name="l02869"></a><span class="lineno"> 2869</span>&#160; </div>
<div class="line"><a name="l02870"></a><span class="lineno"> 2870</span>&#160; </div>
<div class="line"><a name="l02871"></a><span class="lineno"> 2871</span>&#160; </div>
<div class="line"><a name="l02872"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a86dbcc3db99294add9964741e19fbdab"> 2872</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a86dbcc3db99294add9964741e19fbdab">statevec_hadamardLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit)</div>
<div class="line"><a name="l02873"></a><span class="lineno"> 2873</span>&#160;{</div>
<div class="line"><a name="l02874"></a><span class="lineno"> 2874</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02875"></a><span class="lineno"> 2875</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02876"></a><span class="lineno"> 2876</span>&#160;         indexUp,indexLo;    <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02877"></a><span class="lineno"> 2877</span>&#160; </div>
<div class="line"><a name="l02878"></a><span class="lineno"> 2878</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02879"></a><span class="lineno"> 2879</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;         </div>
<div class="line"><a name="l02880"></a><span class="lineno"> 2880</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l02881"></a><span class="lineno"> 2881</span>&#160; </div>
<div class="line"><a name="l02882"></a><span class="lineno"> 2882</span>&#160;    <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02883"></a><span class="lineno"> 2883</span>&#160;    sizeHalfBlock = 1LL &lt;&lt; targetQubit;  </div>
<div class="line"><a name="l02884"></a><span class="lineno"> 2884</span>&#160;    sizeBlock     = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02885"></a><span class="lineno"> 2885</span>&#160; </div>
<div class="line"><a name="l02886"></a><span class="lineno"> 2886</span>&#160;    <span class="comment">// Can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02887"></a><span class="lineno"> 2887</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02888"></a><span class="lineno"> 2888</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02889"></a><span class="lineno"> 2889</span>&#160; </div>
<div class="line"><a name="l02890"></a><span class="lineno"> 2890</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> recRoot2 = 1.0/sqrt(2);</div>
<div class="line"><a name="l02891"></a><span class="lineno"> 2891</span>&#160; </div>
<div class="line"><a name="l02892"></a><span class="lineno"> 2892</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02893"></a><span class="lineno"> 2893</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02894"></a><span class="lineno"> 2894</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02895"></a><span class="lineno"> 2895</span>&#160;<span class="preprocessor">    shared   (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, recRoot2, numTasks) \</span></div>
<div class="line"><a name="l02896"></a><span class="lineno"> 2896</span>&#160;<span class="preprocessor">    private  (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l02897"></a><span class="lineno"> 2897</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02898"></a><span class="lineno"> 2898</span>&#160;    {</div>
<div class="line"><a name="l02899"></a><span class="lineno"> 2899</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02900"></a><span class="lineno"> 2900</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02901"></a><span class="lineno"> 2901</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02902"></a><span class="lineno"> 2902</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02903"></a><span class="lineno"> 2903</span>&#160;            thisBlock   = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02904"></a><span class="lineno"> 2904</span>&#160;            indexUp     = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02905"></a><span class="lineno"> 2905</span>&#160;            indexLo     = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02906"></a><span class="lineno"> 2906</span>&#160; </div>
<div class="line"><a name="l02907"></a><span class="lineno"> 2907</span>&#160;            stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02908"></a><span class="lineno"> 2908</span>&#160;            stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02909"></a><span class="lineno"> 2909</span>&#160; </div>
<div class="line"><a name="l02910"></a><span class="lineno"> 2910</span>&#160;            stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l02911"></a><span class="lineno"> 2911</span>&#160;            stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l02912"></a><span class="lineno"> 2912</span>&#160; </div>
<div class="line"><a name="l02913"></a><span class="lineno"> 2913</span>&#160;            stateVecReal[indexUp] = recRoot2*(stateRealUp + stateRealLo);</div>
<div class="line"><a name="l02914"></a><span class="lineno"> 2914</span>&#160;            stateVecImag[indexUp] = recRoot2*(stateImagUp + stateImagLo);</div>
<div class="line"><a name="l02915"></a><span class="lineno"> 2915</span>&#160; </div>
<div class="line"><a name="l02916"></a><span class="lineno"> 2916</span>&#160;            stateVecReal[indexLo] = recRoot2*(stateRealUp - stateRealLo);</div>
<div class="line"><a name="l02917"></a><span class="lineno"> 2917</span>&#160;            stateVecImag[indexLo] = recRoot2*(stateImagUp - stateImagLo);</div>
<div class="line"><a name="l02918"></a><span class="lineno"> 2918</span>&#160;        } </div>
<div class="line"><a name="l02919"></a><span class="lineno"> 2919</span>&#160;    }</div>
<div class="line"><a name="l02920"></a><span class="lineno"> 2920</span>&#160;}</div>
<div class="line"><a name="l02921"></a><span class="lineno"> 2921</span>&#160; </div>
<div class="line"><a name="l02932"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#abea6570b95fdfa102511ccd1fcb30685"> 2932</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#abea6570b95fdfa102511ccd1fcb30685">statevec_hadamardDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l02933"></a><span class="lineno"> 2933</span>&#160;        ComplexArray stateVecUp,</div>
<div class="line"><a name="l02934"></a><span class="lineno"> 2934</span>&#160;        ComplexArray stateVecLo,</div>
<div class="line"><a name="l02935"></a><span class="lineno"> 2935</span>&#160;        ComplexArray stateVecOut,</div>
<div class="line"><a name="l02936"></a><span class="lineno"> 2936</span>&#160;        <span class="keywordtype">int</span> updateUpper)</div>
<div class="line"><a name="l02937"></a><span class="lineno"> 2937</span>&#160;{</div>
<div class="line"><a name="l02938"></a><span class="lineno"> 2938</span>&#160; </div>
<div class="line"><a name="l02939"></a><span class="lineno"> 2939</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>   stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02940"></a><span class="lineno"> 2940</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;  </div>
<div class="line"><a name="l02941"></a><span class="lineno"> 2941</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02942"></a><span class="lineno"> 2942</span>&#160; </div>
<div class="line"><a name="l02943"></a><span class="lineno"> 2943</span>&#160;    <span class="keywordtype">int</span> sign;</div>
<div class="line"><a name="l02944"></a><span class="lineno"> 2944</span>&#160;    <span class="keywordflow">if</span> (updateUpper) sign=1;</div>
<div class="line"><a name="l02945"></a><span class="lineno"> 2945</span>&#160;    <span class="keywordflow">else</span> sign=-1;</div>
<div class="line"><a name="l02946"></a><span class="lineno"> 2946</span>&#160; </div>
<div class="line"><a name="l02947"></a><span class="lineno"> 2947</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> recRoot2 = 1.0/sqrt(2);</div>
<div class="line"><a name="l02948"></a><span class="lineno"> 2948</span>&#160; </div>
<div class="line"><a name="l02949"></a><span class="lineno"> 2949</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02950"></a><span class="lineno"> 2950</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02951"></a><span class="lineno"> 2951</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02952"></a><span class="lineno"> 2952</span>&#160; </div>
<div class="line"><a name="l02953"></a><span class="lineno"> 2953</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02954"></a><span class="lineno"> 2954</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02955"></a><span class="lineno"> 2955</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02956"></a><span class="lineno"> 2956</span>&#160;<span class="preprocessor">    shared   (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02957"></a><span class="lineno"> 2957</span>&#160;<span class="preprocessor">            recRoot2, sign, numTasks) \</span></div>
<div class="line"><a name="l02958"></a><span class="lineno"> 2958</span>&#160;<span class="preprocessor">    private  (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l02959"></a><span class="lineno"> 2959</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02960"></a><span class="lineno"> 2960</span>&#160;    {</div>
<div class="line"><a name="l02961"></a><span class="lineno"> 2961</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02962"></a><span class="lineno"> 2962</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02963"></a><span class="lineno"> 2963</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02964"></a><span class="lineno"> 2964</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l02965"></a><span class="lineno"> 2965</span>&#160;            <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02966"></a><span class="lineno"> 2966</span>&#160;            stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02967"></a><span class="lineno"> 2967</span>&#160;            stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02968"></a><span class="lineno"> 2968</span>&#160; </div>
<div class="line"><a name="l02969"></a><span class="lineno"> 2969</span>&#160;            stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02970"></a><span class="lineno"> 2970</span>&#160;            stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02971"></a><span class="lineno"> 2971</span>&#160; </div>
<div class="line"><a name="l02972"></a><span class="lineno"> 2972</span>&#160;            stateVecRealOut[thisTask] = recRoot2*(stateRealUp + sign*stateRealLo);</div>
<div class="line"><a name="l02973"></a><span class="lineno"> 2973</span>&#160;            stateVecImagOut[thisTask] = recRoot2*(stateImagUp + sign*stateImagLo);</div>
<div class="line"><a name="l02974"></a><span class="lineno"> 2974</span>&#160;        }</div>
<div class="line"><a name="l02975"></a><span class="lineno"> 2975</span>&#160;    }</div>
<div class="line"><a name="l02976"></a><span class="lineno"> 2976</span>&#160;}</div>
<div class="line"><a name="l02977"></a><span class="lineno"> 2977</span>&#160; </div>
<div class="line"><a name="l02978"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a535cc3c9962d511078691e4d64b4e272"> 2978</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a535cc3c9962d511078691e4d64b4e272">statevec_phaseShiftByTerm</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="structComplex.html">Complex</a> term)</div>
<div class="line"><a name="l02979"></a><span class="lineno"> 2979</span>&#160;{       </div>
<div class="line"><a name="l02980"></a><span class="lineno"> 2980</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l02981"></a><span class="lineno"> 2981</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l02982"></a><span class="lineno"> 2982</span>&#160;    <span class="keywordtype">int</span> targetBit;</div>
<div class="line"><a name="l02983"></a><span class="lineno"> 2983</span>&#160;    </div>
<div class="line"><a name="l02984"></a><span class="lineno"> 2984</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02985"></a><span class="lineno"> 2985</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02986"></a><span class="lineno"> 2986</span>&#160; </div>
<div class="line"><a name="l02987"></a><span class="lineno"> 2987</span>&#160;    <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l02988"></a><span class="lineno"> 2988</span>&#160;    stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02989"></a><span class="lineno"> 2989</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02990"></a><span class="lineno"> 2990</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02991"></a><span class="lineno"> 2991</span>&#160;    </div>
<div class="line"><a name="l02992"></a><span class="lineno"> 2992</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealLo, stateImagLo;</div>
<div class="line"><a name="l02993"></a><span class="lineno"> 2993</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> cosAngle = term.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l02994"></a><span class="lineno"> 2994</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> sinAngle = term.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02995"></a><span class="lineno"> 2995</span>&#160; </div>
<div class="line"><a name="l02996"></a><span class="lineno"> 2996</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02997"></a><span class="lineno"> 2997</span>&#160;<span class="preprocessor"># pragma omp parallel for \</span></div>
<div class="line"><a name="l02998"></a><span class="lineno"> 2998</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l02999"></a><span class="lineno"> 2999</span>&#160;<span class="preprocessor">    shared   (stateVecSize, stateVecReal,stateVecImag, cosAngle,sinAngle, \</span></div>
<div class="line"><a name="l03000"></a><span class="lineno"> 3000</span>&#160;<span class="preprocessor">                chunkId,chunkSize,targetQubit) \</span></div>
<div class="line"><a name="l03001"></a><span class="lineno"> 3001</span>&#160;<span class="preprocessor">    private  (index,targetBit,stateRealLo,stateImagLo) \</span></div>
<div class="line"><a name="l03002"></a><span class="lineno"> 3002</span>&#160;<span class="preprocessor">    schedule (static)</span></div>
<div class="line"><a name="l03003"></a><span class="lineno"> 3003</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03004"></a><span class="lineno"> 3004</span>&#160;    <span class="keywordflow">for</span> (index=0; index&lt;stateVecSize; index++) {</div>
<div class="line"><a name="l03005"></a><span class="lineno"> 3005</span>&#160;        </div>
<div class="line"><a name="l03006"></a><span class="lineno"> 3006</span>&#160;        <span class="comment">// update the coeff of the |1&gt; state of the target qubit</span></div>
<div class="line"><a name="l03007"></a><span class="lineno"> 3007</span>&#160;        targetBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (targetQubit, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03008"></a><span class="lineno"> 3008</span>&#160;        <span class="keywordflow">if</span> (targetBit) {</div>
<div class="line"><a name="l03009"></a><span class="lineno"> 3009</span>&#160;            </div>
<div class="line"><a name="l03010"></a><span class="lineno"> 3010</span>&#160;            stateRealLo = stateVecReal[index];</div>
<div class="line"><a name="l03011"></a><span class="lineno"> 3011</span>&#160;            stateImagLo = stateVecImag[index];</div>
<div class="line"><a name="l03012"></a><span class="lineno"> 3012</span>&#160;            </div>
<div class="line"><a name="l03013"></a><span class="lineno"> 3013</span>&#160;            stateVecReal[index] = cosAngle*stateRealLo - sinAngle*stateImagLo;</div>
<div class="line"><a name="l03014"></a><span class="lineno"> 3014</span>&#160;            stateVecImag[index] = sinAngle*stateRealLo + cosAngle*stateImagLo;  </div>
<div class="line"><a name="l03015"></a><span class="lineno"> 3015</span>&#160;        }</div>
<div class="line"><a name="l03016"></a><span class="lineno"> 3016</span>&#160;    }</div>
<div class="line"><a name="l03017"></a><span class="lineno"> 3017</span>&#160;}</div>
<div class="line"><a name="l03018"></a><span class="lineno"> 3018</span>&#160; </div>
<div class="line"><a name="l03019"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a63df1ec14ff7cc81c3f392ac10fcc744"> 3019</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a63df1ec14ff7cc81c3f392ac10fcc744">statevec_controlledPhaseShift</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> idQubit1, <span class="keywordtype">int</span> idQubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> angle)</div>
<div class="line"><a name="l03020"></a><span class="lineno"> 3020</span>&#160;{</div>
<div class="line"><a name="l03021"></a><span class="lineno"> 3021</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03022"></a><span class="lineno"> 3022</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03023"></a><span class="lineno"> 3023</span>&#160;    <span class="keywordtype">int</span> bit1, bit2;</div>
<div class="line"><a name="l03024"></a><span class="lineno"> 3024</span>&#160;    </div>
<div class="line"><a name="l03025"></a><span class="lineno"> 3025</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03026"></a><span class="lineno"> 3026</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l03027"></a><span class="lineno"> 3027</span>&#160; </div>
<div class="line"><a name="l03028"></a><span class="lineno"> 3028</span>&#160;    <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l03029"></a><span class="lineno"> 3029</span>&#160;    stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03030"></a><span class="lineno"> 3030</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03031"></a><span class="lineno"> 3031</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03032"></a><span class="lineno"> 3032</span>&#160;    </div>
<div class="line"><a name="l03033"></a><span class="lineno"> 3033</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealLo, stateImagLo;</div>
<div class="line"><a name="l03034"></a><span class="lineno"> 3034</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> cosAngle = cos(angle);</div>
<div class="line"><a name="l03035"></a><span class="lineno"> 3035</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> sinAngle = sin(angle);</div>
<div class="line"><a name="l03036"></a><span class="lineno"> 3036</span>&#160; </div>
<div class="line"><a name="l03037"></a><span class="lineno"> 3037</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03038"></a><span class="lineno"> 3038</span>&#160;<span class="preprocessor"># pragma omp parallel for \</span></div>
<div class="line"><a name="l03039"></a><span class="lineno"> 3039</span>&#160;<span class="preprocessor">    default  (none)              \</span></div>
<div class="line"><a name="l03040"></a><span class="lineno"> 3040</span>&#160;<span class="preprocessor">    shared   (stateVecSize, stateVecReal,stateVecImag, chunkId,chunkSize, \</span></div>
<div class="line"><a name="l03041"></a><span class="lineno"> 3041</span>&#160;<span class="preprocessor">                idQubit1,idQubit2,cosAngle,sinAngle ) \</span></div>
<div class="line"><a name="l03042"></a><span class="lineno"> 3042</span>&#160;<span class="preprocessor">    private  (index,bit1,bit2,stateRealLo,stateImagLo) \</span></div>
<div class="line"><a name="l03043"></a><span class="lineno"> 3043</span>&#160;<span class="preprocessor">    schedule (static)</span></div>
<div class="line"><a name="l03044"></a><span class="lineno"> 3044</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03045"></a><span class="lineno"> 3045</span>&#160;    <span class="keywordflow">for</span> (index=0; index&lt;stateVecSize; index++) {</div>
<div class="line"><a name="l03046"></a><span class="lineno"> 3046</span>&#160;        bit1 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (idQubit1, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03047"></a><span class="lineno"> 3047</span>&#160;        bit2 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (idQubit2, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03048"></a><span class="lineno"> 3048</span>&#160;        <span class="keywordflow">if</span> (bit1 &amp;&amp; bit2) {</div>
<div class="line"><a name="l03049"></a><span class="lineno"> 3049</span>&#160;            </div>
<div class="line"><a name="l03050"></a><span class="lineno"> 3050</span>&#160;            stateRealLo = stateVecReal[index];</div>
<div class="line"><a name="l03051"></a><span class="lineno"> 3051</span>&#160;            stateImagLo = stateVecImag[index];</div>
<div class="line"><a name="l03052"></a><span class="lineno"> 3052</span>&#160;            </div>
<div class="line"><a name="l03053"></a><span class="lineno"> 3053</span>&#160;            stateVecReal[index] = cosAngle*stateRealLo - sinAngle*stateImagLo;</div>
<div class="line"><a name="l03054"></a><span class="lineno"> 3054</span>&#160;            stateVecImag[index] = sinAngle*stateRealLo + cosAngle*stateImagLo;  </div>
<div class="line"><a name="l03055"></a><span class="lineno"> 3055</span>&#160;        }</div>
<div class="line"><a name="l03056"></a><span class="lineno"> 3056</span>&#160;    }</div>
<div class="line"><a name="l03057"></a><span class="lineno"> 3057</span>&#160;}</div>
<div class="line"><a name="l03058"></a><span class="lineno"> 3058</span>&#160; </div>
<div class="line"><a name="l03059"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#aa662796ea6e0f471143c53becae8c12c"> 3059</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aa662796ea6e0f471143c53becae8c12c">statevec_multiControlledPhaseShift</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> *controlQubits, <span class="keywordtype">int</span> numControlQubits, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> angle)</div>
<div class="line"><a name="l03060"></a><span class="lineno"> 3060</span>&#160;{</div>
<div class="line"><a name="l03061"></a><span class="lineno"> 3061</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03062"></a><span class="lineno"> 3062</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03063"></a><span class="lineno"> 3063</span>&#160; </div>
<div class="line"><a name="l03064"></a><span class="lineno"> 3064</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03065"></a><span class="lineno"> 3065</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l03066"></a><span class="lineno"> 3066</span>&#160; </div>
<div class="line"><a name="l03067"></a><span class="lineno"> 3067</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> mask = <a class="code" href="QuEST__common_8c.html#acc45bb8300922ea5933e294921e25ea2">getQubitBitMask</a>(controlQubits, numControlQubits);</div>
<div class="line"><a name="l03068"></a><span class="lineno"> 3068</span>&#160; </div>
<div class="line"><a name="l03069"></a><span class="lineno"> 3069</span>&#160;    stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03070"></a><span class="lineno"> 3070</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03071"></a><span class="lineno"> 3071</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03072"></a><span class="lineno"> 3072</span>&#160;    </div>
<div class="line"><a name="l03073"></a><span class="lineno"> 3073</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealLo, stateImagLo;</div>
<div class="line"><a name="l03074"></a><span class="lineno"> 3074</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> cosAngle = cos(angle);</div>
<div class="line"><a name="l03075"></a><span class="lineno"> 3075</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> sinAngle = sin(angle);</div>
<div class="line"><a name="l03076"></a><span class="lineno"> 3076</span>&#160; </div>
<div class="line"><a name="l03077"></a><span class="lineno"> 3077</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03078"></a><span class="lineno"> 3078</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03079"></a><span class="lineno"> 3079</span>&#160;<span class="preprocessor">    default  (none)              \</span></div>
<div class="line"><a name="l03080"></a><span class="lineno"> 3080</span>&#160;<span class="preprocessor">    shared   (stateVecSize, stateVecReal, stateVecImag, mask, chunkId,chunkSize,cosAngle,sinAngle) \</span></div>
<div class="line"><a name="l03081"></a><span class="lineno"> 3081</span>&#160;<span class="preprocessor">    private  (index, stateRealLo, stateImagLo)</span></div>
<div class="line"><a name="l03082"></a><span class="lineno"> 3082</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03083"></a><span class="lineno"> 3083</span>&#160;    {</div>
<div class="line"><a name="l03084"></a><span class="lineno"> 3084</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03085"></a><span class="lineno"> 3085</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03086"></a><span class="lineno"> 3086</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03087"></a><span class="lineno"> 3087</span>&#160;        <span class="keywordflow">for</span> (index=0; index&lt;stateVecSize; index++) {</div>
<div class="line"><a name="l03088"></a><span class="lineno"> 3088</span>&#160;            <span class="keywordflow">if</span> (mask == (mask &amp; (index+chunkId*chunkSize)) ){</div>
<div class="line"><a name="l03089"></a><span class="lineno"> 3089</span>&#160;                </div>
<div class="line"><a name="l03090"></a><span class="lineno"> 3090</span>&#160;                stateRealLo = stateVecReal[index];</div>
<div class="line"><a name="l03091"></a><span class="lineno"> 3091</span>&#160;                stateImagLo = stateVecImag[index];</div>
<div class="line"><a name="l03092"></a><span class="lineno"> 3092</span>&#160;            </div>
<div class="line"><a name="l03093"></a><span class="lineno"> 3093</span>&#160;                stateVecReal[index] = cosAngle*stateRealLo - sinAngle*stateImagLo;</div>
<div class="line"><a name="l03094"></a><span class="lineno"> 3094</span>&#160;                stateVecImag[index] = sinAngle*stateRealLo + cosAngle*stateImagLo;  </div>
<div class="line"><a name="l03095"></a><span class="lineno"> 3095</span>&#160;            }</div>
<div class="line"><a name="l03096"></a><span class="lineno"> 3096</span>&#160;        }</div>
<div class="line"><a name="l03097"></a><span class="lineno"> 3097</span>&#160;    }</div>
<div class="line"><a name="l03098"></a><span class="lineno"> 3098</span>&#160;}</div>
<div class="line"><a name="l03099"></a><span class="lineno"> 3099</span>&#160; </div>
<div class="line"><a name="l03100"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a37e522505286f17fe6ef74b9f607a5c6"> 3100</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="QuEST__cpu_8c.html#a37e522505286f17fe6ef74b9f607a5c6">getBitMaskParity</a>(<span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> mask) {</div>
<div class="line"><a name="l03101"></a><span class="lineno"> 3101</span>&#160;    <span class="keywordtype">int</span> parity = 0;</div>
<div class="line"><a name="l03102"></a><span class="lineno"> 3102</span>&#160;    <span class="keywordflow">while</span> (mask) {</div>
<div class="line"><a name="l03103"></a><span class="lineno"> 3103</span>&#160;        parity = !parity;</div>
<div class="line"><a name="l03104"></a><span class="lineno"> 3104</span>&#160;        mask = mask &amp; (mask-1);</div>
<div class="line"><a name="l03105"></a><span class="lineno"> 3105</span>&#160;    }</div>
<div class="line"><a name="l03106"></a><span class="lineno"> 3106</span>&#160;    <span class="keywordflow">return</span> parity;</div>
<div class="line"><a name="l03107"></a><span class="lineno"> 3107</span>&#160;}</div>
<div class="line"><a name="l03108"></a><span class="lineno"> 3108</span>&#160; </div>
<div class="line"><a name="l03109"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a8d88b4ed94ab024e5e7b2f1f4f505b44"> 3109</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a8d88b4ed94ab024e5e7b2f1f4f505b44">statevec_multiRotateZ</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> mask, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> angle)</div>
<div class="line"><a name="l03110"></a><span class="lineno"> 3110</span>&#160;{</div>
<div class="line"><a name="l03111"></a><span class="lineno"> 3111</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03112"></a><span class="lineno"> 3112</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03113"></a><span class="lineno"> 3113</span>&#160; </div>
<div class="line"><a name="l03114"></a><span class="lineno"> 3114</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03115"></a><span class="lineno"> 3115</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l03116"></a><span class="lineno"> 3116</span>&#160; </div>
<div class="line"><a name="l03117"></a><span class="lineno"> 3117</span>&#160;    stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03118"></a><span class="lineno"> 3118</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03119"></a><span class="lineno"> 3119</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03120"></a><span class="lineno"> 3120</span>&#160;    </div>
<div class="line"><a name="l03121"></a><span class="lineno"> 3121</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateReal, stateImag;</div>
<div class="line"><a name="l03122"></a><span class="lineno"> 3122</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> cosAngle = cos(angle/2.0);</div>
<div class="line"><a name="l03123"></a><span class="lineno"> 3123</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> sinAngle = sin(angle/2.0); </div>
<div class="line"><a name="l03124"></a><span class="lineno"> 3124</span>&#160;    </div>
<div class="line"><a name="l03125"></a><span class="lineno"> 3125</span>&#160;    <span class="comment">// = +-1, to flip sinAngle based on target qubit parity, to effect</span></div>
<div class="line"><a name="l03126"></a><span class="lineno"> 3126</span>&#160;    <span class="comment">// exp(-angle/2 i fac_j)|j&gt;</span></div>
<div class="line"><a name="l03127"></a><span class="lineno"> 3127</span>&#160;    <span class="keywordtype">int</span> fac; </div>
<div class="line"><a name="l03128"></a><span class="lineno"> 3128</span>&#160; </div>
<div class="line"><a name="l03129"></a><span class="lineno"> 3129</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03130"></a><span class="lineno"> 3130</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03131"></a><span class="lineno"> 3131</span>&#160;<span class="preprocessor">    default  (none)              \</span></div>
<div class="line"><a name="l03132"></a><span class="lineno"> 3132</span>&#160;<span class="preprocessor">    shared   (stateVecSize, stateVecReal, stateVecImag, mask, chunkId,chunkSize,cosAngle,sinAngle) \</span></div>
<div class="line"><a name="l03133"></a><span class="lineno"> 3133</span>&#160;<span class="preprocessor">    private  (index, fac, stateReal, stateImag)</span></div>
<div class="line"><a name="l03134"></a><span class="lineno"> 3134</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03135"></a><span class="lineno"> 3135</span>&#160;    {</div>
<div class="line"><a name="l03136"></a><span class="lineno"> 3136</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03137"></a><span class="lineno"> 3137</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03138"></a><span class="lineno"> 3138</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03139"></a><span class="lineno"> 3139</span>&#160;        <span class="keywordflow">for</span> (index=0; index&lt;stateVecSize; index++) {</div>
<div class="line"><a name="l03140"></a><span class="lineno"> 3140</span>&#160;            stateReal = stateVecReal[index];</div>
<div class="line"><a name="l03141"></a><span class="lineno"> 3141</span>&#160;            stateImag = stateVecImag[index];</div>
<div class="line"><a name="l03142"></a><span class="lineno"> 3142</span>&#160;            </div>
<div class="line"><a name="l03143"></a><span class="lineno"> 3143</span>&#160;            <span class="comment">// odd-parity target qubits get fac_j = -1</span></div>
<div class="line"><a name="l03144"></a><span class="lineno"> 3144</span>&#160;            fac = <a class="code" href="QuEST__cpu_8c.html#a37e522505286f17fe6ef74b9f607a5c6">getBitMaskParity</a>(mask &amp; (index+chunkId*chunkSize))? -1 : 1;</div>
<div class="line"><a name="l03145"></a><span class="lineno"> 3145</span>&#160;            stateVecReal[index] = cosAngle*stateReal + fac * sinAngle*stateImag;</div>
<div class="line"><a name="l03146"></a><span class="lineno"> 3146</span>&#160;            stateVecImag[index] = - fac * sinAngle*stateReal + cosAngle*stateImag;  </div>
<div class="line"><a name="l03147"></a><span class="lineno"> 3147</span>&#160;        }</div>
<div class="line"><a name="l03148"></a><span class="lineno"> 3148</span>&#160;    }</div>
<div class="line"><a name="l03149"></a><span class="lineno"> 3149</span>&#160;}</div>
<div class="line"><a name="l03150"></a><span class="lineno"> 3150</span>&#160; </div>
<div class="line"><a name="l03151"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a8bea931504c90d9bd97e74645667804e"> 3151</a></span>&#160;<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#a8bea931504c90d9bd97e74645667804e">densmatr_findProbabilityOfZeroLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> measureQubit) {</div>
<div class="line"><a name="l03152"></a><span class="lineno"> 3152</span>&#160;    </div>
<div class="line"><a name="l03153"></a><span class="lineno"> 3153</span>&#160;    <span class="comment">// computes first local index containing a diagonal element</span></div>
<div class="line"><a name="l03154"></a><span class="lineno"> 3154</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localNumAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03155"></a><span class="lineno"> 3155</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> densityDim = (1LL &lt;&lt; qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l03156"></a><span class="lineno"> 3156</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> diagSpacing = 1LL + densityDim;</div>
<div class="line"><a name="l03157"></a><span class="lineno"> 3157</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> maxNumDiagsPerChunk = 1 + localNumAmps / diagSpacing;</div>
<div class="line"><a name="l03158"></a><span class="lineno"> 3158</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numPrevDiags = (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>&gt;0)? 1+(qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*localNumAmps)/diagSpacing : 0;</div>
<div class="line"><a name="l03159"></a><span class="lineno"> 3159</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalIndNextDiag = diagSpacing * numPrevDiags;</div>
<div class="line"><a name="l03160"></a><span class="lineno"> 3160</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localIndNextDiag = globalIndNextDiag % localNumAmps;</div>
<div class="line"><a name="l03161"></a><span class="lineno"> 3161</span>&#160;    </div>
<div class="line"><a name="l03162"></a><span class="lineno"> 3162</span>&#160;    <span class="comment">// computes how many diagonals are contained in this chunk</span></div>
<div class="line"><a name="l03163"></a><span class="lineno"> 3163</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numDiagsInThisChunk = maxNumDiagsPerChunk;</div>
<div class="line"><a name="l03164"></a><span class="lineno"> 3164</span>&#160;    <span class="keywordflow">if</span> (localIndNextDiag + (numDiagsInThisChunk-1)*diagSpacing &gt;= localNumAmps)</div>
<div class="line"><a name="l03165"></a><span class="lineno"> 3165</span>&#160;        numDiagsInThisChunk -= 1;</div>
<div class="line"><a name="l03166"></a><span class="lineno"> 3166</span>&#160;    </div>
<div class="line"><a name="l03167"></a><span class="lineno"> 3167</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> visitedDiags;     <span class="comment">// number of visited diagonals in this chunk so far</span></div>
<div class="line"><a name="l03168"></a><span class="lineno"> 3168</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> basisStateInd;    <span class="comment">// current diagonal index being considered</span></div>
<div class="line"><a name="l03169"></a><span class="lineno"> 3169</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;            <span class="comment">// index in the local chunk</span></div>
<div class="line"><a name="l03170"></a><span class="lineno"> 3170</span>&#160;    </div>
<div class="line"><a name="l03171"></a><span class="lineno"> 3171</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> zeroProb = 0;</div>
<div class="line"><a name="l03172"></a><span class="lineno"> 3172</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03173"></a><span class="lineno"> 3173</span>&#160;    </div>
<div class="line"><a name="l03174"></a><span class="lineno"> 3174</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03175"></a><span class="lineno"> 3175</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03176"></a><span class="lineno"> 3176</span>&#160;<span class="preprocessor">    shared    (localIndNextDiag, numPrevDiags, diagSpacing, stateVecReal, numDiagsInThisChunk) \</span></div>
<div class="line"><a name="l03177"></a><span class="lineno"> 3177</span>&#160;<span class="preprocessor">    private   (visitedDiags, basisStateInd, index) \</span></div>
<div class="line"><a name="l03178"></a><span class="lineno"> 3178</span>&#160;<span class="preprocessor">    reduction ( +:zeroProb )</span></div>
<div class="line"><a name="l03179"></a><span class="lineno"> 3179</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03180"></a><span class="lineno"> 3180</span>&#160;    {</div>
<div class="line"><a name="l03181"></a><span class="lineno"> 3181</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03182"></a><span class="lineno"> 3182</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l03183"></a><span class="lineno"> 3183</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03184"></a><span class="lineno"> 3184</span>&#160;        <span class="comment">// sums the diagonal elems of the density matrix where measureQubit=0</span></div>
<div class="line"><a name="l03185"></a><span class="lineno"> 3185</span>&#160;        <span class="keywordflow">for</span> (visitedDiags = 0; visitedDiags &lt; numDiagsInThisChunk; visitedDiags++) {</div>
<div class="line"><a name="l03186"></a><span class="lineno"> 3186</span>&#160;            </div>
<div class="line"><a name="l03187"></a><span class="lineno"> 3187</span>&#160;            basisStateInd = numPrevDiags + visitedDiags;</div>
<div class="line"><a name="l03188"></a><span class="lineno"> 3188</span>&#160;            index = localIndNextDiag + diagSpacing * visitedDiags;</div>
<div class="line"><a name="l03189"></a><span class="lineno"> 3189</span>&#160;    </div>
<div class="line"><a name="l03190"></a><span class="lineno"> 3190</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(measureQubit, basisStateInd) == 0)</div>
<div class="line"><a name="l03191"></a><span class="lineno"> 3191</span>&#160;                zeroProb += stateVecReal[index]; <span class="comment">// assume imag[diagonls] ~ 0</span></div>
<div class="line"><a name="l03192"></a><span class="lineno"> 3192</span>&#160; </div>
<div class="line"><a name="l03193"></a><span class="lineno"> 3193</span>&#160;        }</div>
<div class="line"><a name="l03194"></a><span class="lineno"> 3194</span>&#160;    }</div>
<div class="line"><a name="l03195"></a><span class="lineno"> 3195</span>&#160;    </div>
<div class="line"><a name="l03196"></a><span class="lineno"> 3196</span>&#160;    <span class="keywordflow">return</span> zeroProb;</div>
<div class="line"><a name="l03197"></a><span class="lineno"> 3197</span>&#160;}</div>
<div class="line"><a name="l03198"></a><span class="lineno"> 3198</span>&#160; </div>
<div class="line"><a name="l03206"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a8535bc15c2ff249ddddb3fde6eff1490"> 3206</a></span>&#160;<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#a8535bc15c2ff249ddddb3fde6eff1490">statevec_findProbabilityOfZeroLocal</a> (<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l03207"></a><span class="lineno"> 3207</span>&#160;        <span class="keywordtype">int</span> measureQubit)</div>
<div class="line"><a name="l03208"></a><span class="lineno"> 3208</span>&#160;{</div>
<div class="line"><a name="l03209"></a><span class="lineno"> 3209</span>&#160;    <span class="comment">// ----- sizes</span></div>
<div class="line"><a name="l03210"></a><span class="lineno"> 3210</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock,                                  <span class="comment">// size of blocks</span></div>
<div class="line"><a name="l03211"></a><span class="lineno"> 3211</span>&#160;         sizeHalfBlock;                                       <span class="comment">// size of blocks halved</span></div>
<div class="line"><a name="l03212"></a><span class="lineno"> 3212</span>&#160;    <span class="comment">// ----- indices</span></div>
<div class="line"><a name="l03213"></a><span class="lineno"> 3213</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock,                                  <span class="comment">// current block</span></div>
<div class="line"><a name="l03214"></a><span class="lineno"> 3214</span>&#160;         index;                                               <span class="comment">// current index for first half block</span></div>
<div class="line"><a name="l03215"></a><span class="lineno"> 3215</span>&#160;    <span class="comment">// ----- measured probability</span></div>
<div class="line"><a name="l03216"></a><span class="lineno"> 3216</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>   totalProbability;                                  <span class="comment">// probability (returned) value</span></div>
<div class="line"><a name="l03217"></a><span class="lineno"> 3217</span>&#160;    <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03218"></a><span class="lineno"> 3218</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;                                   </div>
<div class="line"><a name="l03219"></a><span class="lineno"> 3219</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l03220"></a><span class="lineno"> 3220</span>&#160; </div>
<div class="line"><a name="l03221"></a><span class="lineno"> 3221</span>&#160;    <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03222"></a><span class="lineno"> 3222</span>&#160;    <span class="comment">//            dimensions                                            //</span></div>
<div class="line"><a name="l03223"></a><span class="lineno"> 3223</span>&#160;    <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03224"></a><span class="lineno"> 3224</span>&#160;    sizeHalfBlock = 1LL &lt;&lt; (measureQubit);                       <span class="comment">// number of state vector elements to sum,</span></div>
<div class="line"><a name="l03225"></a><span class="lineno"> 3225</span>&#160;    <span class="comment">// and then the number to skip</span></div>
<div class="line"><a name="l03226"></a><span class="lineno"> 3226</span>&#160;    sizeBlock     = 2LL * sizeHalfBlock;                         <span class="comment">// size of blocks (pairs of measure and skip entries)</span></div>
<div class="line"><a name="l03227"></a><span class="lineno"> 3227</span>&#160; </div>
<div class="line"><a name="l03228"></a><span class="lineno"> 3228</span>&#160;    <span class="comment">// initialise returned value</span></div>
<div class="line"><a name="l03229"></a><span class="lineno"> 3229</span>&#160;    totalProbability = 0.0;</div>
<div class="line"><a name="l03230"></a><span class="lineno"> 3230</span>&#160; </div>
<div class="line"><a name="l03231"></a><span class="lineno"> 3231</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03232"></a><span class="lineno"> 3232</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03233"></a><span class="lineno"> 3233</span>&#160; </div>
<div class="line"><a name="l03234"></a><span class="lineno"> 3234</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03235"></a><span class="lineno"> 3235</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03236"></a><span class="lineno"> 3236</span>&#160;<span class="preprocessor">    shared    (numTasks,sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l03237"></a><span class="lineno"> 3237</span>&#160;<span class="preprocessor">    private   (thisTask,thisBlock,index) \</span></div>
<div class="line"><a name="l03238"></a><span class="lineno"> 3238</span>&#160;<span class="preprocessor">    reduction ( +:totalProbability )</span></div>
<div class="line"><a name="l03239"></a><span class="lineno"> 3239</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03240"></a><span class="lineno"> 3240</span>&#160;    {</div>
<div class="line"><a name="l03241"></a><span class="lineno"> 3241</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03242"></a><span class="lineno"> 3242</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l03243"></a><span class="lineno"> 3243</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03244"></a><span class="lineno"> 3244</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l03245"></a><span class="lineno"> 3245</span>&#160;            thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l03246"></a><span class="lineno"> 3246</span>&#160;            index     = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l03247"></a><span class="lineno"> 3247</span>&#160; </div>
<div class="line"><a name="l03248"></a><span class="lineno"> 3248</span>&#160;            totalProbability += stateVecReal[index]*stateVecReal[index]</div>
<div class="line"><a name="l03249"></a><span class="lineno"> 3249</span>&#160;                + stateVecImag[index]*stateVecImag[index];</div>
<div class="line"><a name="l03250"></a><span class="lineno"> 3250</span>&#160;        }</div>
<div class="line"><a name="l03251"></a><span class="lineno"> 3251</span>&#160;    }</div>
<div class="line"><a name="l03252"></a><span class="lineno"> 3252</span>&#160;    <span class="keywordflow">return</span> totalProbability;</div>
<div class="line"><a name="l03253"></a><span class="lineno"> 3253</span>&#160;}</div>
<div class="line"><a name="l03254"></a><span class="lineno"> 3254</span>&#160; </div>
<div class="line"><a name="l03262"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a430d98e35f1eae7f0815ac539057cf67"> 3262</a></span>&#160;<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#a430d98e35f1eae7f0815ac539057cf67">statevec_findProbabilityOfZeroDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg) {</div>
<div class="line"><a name="l03263"></a><span class="lineno"> 3263</span>&#160;    <span class="comment">// ----- measured probability</span></div>
<div class="line"><a name="l03264"></a><span class="lineno"> 3264</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>   totalProbability;                                  <span class="comment">// probability (returned) value</span></div>
<div class="line"><a name="l03265"></a><span class="lineno"> 3265</span>&#160;    <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03266"></a><span class="lineno"> 3266</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;                                   <span class="comment">// task based approach for expose loop with small granularity</span></div>
<div class="line"><a name="l03267"></a><span class="lineno"> 3267</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03268"></a><span class="lineno"> 3268</span>&#160; </div>
<div class="line"><a name="l03269"></a><span class="lineno"> 3269</span>&#160;    <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03270"></a><span class="lineno"> 3270</span>&#160;    <span class="comment">//            find probability                                      //</span></div>
<div class="line"><a name="l03271"></a><span class="lineno"> 3271</span>&#160;    <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03272"></a><span class="lineno"> 3272</span>&#160; </div>
<div class="line"><a name="l03273"></a><span class="lineno"> 3273</span>&#160;    <span class="comment">// initialise returned value</span></div>
<div class="line"><a name="l03274"></a><span class="lineno"> 3274</span>&#160;    totalProbability = 0.0;</div>
<div class="line"><a name="l03275"></a><span class="lineno"> 3275</span>&#160; </div>
<div class="line"><a name="l03276"></a><span class="lineno"> 3276</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03277"></a><span class="lineno"> 3277</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03278"></a><span class="lineno"> 3278</span>&#160; </div>
<div class="line"><a name="l03279"></a><span class="lineno"> 3279</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03280"></a><span class="lineno"> 3280</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03281"></a><span class="lineno"> 3281</span>&#160;<span class="preprocessor">    shared    (numTasks,stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l03282"></a><span class="lineno"> 3282</span>&#160;<span class="preprocessor">    private   (thisTask) \</span></div>
<div class="line"><a name="l03283"></a><span class="lineno"> 3283</span>&#160;<span class="preprocessor">    reduction ( +:totalProbability )</span></div>
<div class="line"><a name="l03284"></a><span class="lineno"> 3284</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03285"></a><span class="lineno"> 3285</span>&#160;    {</div>
<div class="line"><a name="l03286"></a><span class="lineno"> 3286</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03287"></a><span class="lineno"> 3287</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l03288"></a><span class="lineno"> 3288</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03289"></a><span class="lineno"> 3289</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l03290"></a><span class="lineno"> 3290</span>&#160;            totalProbability += stateVecReal[thisTask]*stateVecReal[thisTask]</div>
<div class="line"><a name="l03291"></a><span class="lineno"> 3291</span>&#160;                + stateVecImag[thisTask]*stateVecImag[thisTask];</div>
<div class="line"><a name="l03292"></a><span class="lineno"> 3292</span>&#160;        }</div>
<div class="line"><a name="l03293"></a><span class="lineno"> 3293</span>&#160;    }</div>
<div class="line"><a name="l03294"></a><span class="lineno"> 3294</span>&#160; </div>
<div class="line"><a name="l03295"></a><span class="lineno"> 3295</span>&#160;    <span class="keywordflow">return</span> totalProbability;</div>
<div class="line"><a name="l03296"></a><span class="lineno"> 3296</span>&#160;}</div>
<div class="line"><a name="l03297"></a><span class="lineno"> 3297</span>&#160; </div>
<div class="line"><a name="l03298"></a><span class="lineno"> 3298</span>&#160; </div>
<div class="line"><a name="l03299"></a><span class="lineno"> 3299</span>&#160; </div>
<div class="line"><a name="l03300"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#aaf78491e35d165edfd57387f9fffecbd"> 3300</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aaf78491e35d165edfd57387f9fffecbd">statevec_controlledPhaseFlip</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> idQubit1, <span class="keywordtype">int</span> idQubit2)</div>
<div class="line"><a name="l03301"></a><span class="lineno"> 3301</span>&#160;{</div>
<div class="line"><a name="l03302"></a><span class="lineno"> 3302</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03303"></a><span class="lineno"> 3303</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03304"></a><span class="lineno"> 3304</span>&#160;    <span class="keywordtype">int</span> bit1, bit2;</div>
<div class="line"><a name="l03305"></a><span class="lineno"> 3305</span>&#160; </div>
<div class="line"><a name="l03306"></a><span class="lineno"> 3306</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03307"></a><span class="lineno"> 3307</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l03308"></a><span class="lineno"> 3308</span>&#160;    </div>
<div class="line"><a name="l03309"></a><span class="lineno"> 3309</span>&#160;    <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l03310"></a><span class="lineno"> 3310</span>&#160;    stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03311"></a><span class="lineno"> 3311</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03312"></a><span class="lineno"> 3312</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03313"></a><span class="lineno"> 3313</span>&#160; </div>
<div class="line"><a name="l03314"></a><span class="lineno"> 3314</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03315"></a><span class="lineno"> 3315</span>&#160;<span class="preprocessor"># pragma omp parallel for \</span></div>
<div class="line"><a name="l03316"></a><span class="lineno"> 3316</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l03317"></a><span class="lineno"> 3317</span>&#160;<span class="preprocessor">    shared   (stateVecSize, stateVecReal,stateVecImag, chunkId,chunkSize,idQubit1,idQubit2 ) \</span></div>
<div class="line"><a name="l03318"></a><span class="lineno"> 3318</span>&#160;<span class="preprocessor">    private  (index,bit1,bit2) \</span></div>
<div class="line"><a name="l03319"></a><span class="lineno"> 3319</span>&#160;<span class="preprocessor">    schedule (static)</span></div>
<div class="line"><a name="l03320"></a><span class="lineno"> 3320</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03321"></a><span class="lineno"> 3321</span>&#160;    <span class="keywordflow">for</span> (index=0; index&lt;stateVecSize; index++) {</div>
<div class="line"><a name="l03322"></a><span class="lineno"> 3322</span>&#160;        bit1 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (idQubit1, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03323"></a><span class="lineno"> 3323</span>&#160;        bit2 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (idQubit2, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03324"></a><span class="lineno"> 3324</span>&#160;        <span class="keywordflow">if</span> (bit1 &amp;&amp; bit2) {</div>
<div class="line"><a name="l03325"></a><span class="lineno"> 3325</span>&#160;            stateVecReal [index] = - stateVecReal [index];</div>
<div class="line"><a name="l03326"></a><span class="lineno"> 3326</span>&#160;            stateVecImag [index] = - stateVecImag [index];</div>
<div class="line"><a name="l03327"></a><span class="lineno"> 3327</span>&#160;        }</div>
<div class="line"><a name="l03328"></a><span class="lineno"> 3328</span>&#160;    }</div>
<div class="line"><a name="l03329"></a><span class="lineno"> 3329</span>&#160;}</div>
<div class="line"><a name="l03330"></a><span class="lineno"> 3330</span>&#160; </div>
<div class="line"><a name="l03331"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ac4ee5979d475e8c729294b8ef7e0270d"> 3331</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ac4ee5979d475e8c729294b8ef7e0270d">statevec_multiControlledPhaseFlip</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> *controlQubits, <span class="keywordtype">int</span> numControlQubits)</div>
<div class="line"><a name="l03332"></a><span class="lineno"> 3332</span>&#160;{</div>
<div class="line"><a name="l03333"></a><span class="lineno"> 3333</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03334"></a><span class="lineno"> 3334</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03335"></a><span class="lineno"> 3335</span>&#160; </div>
<div class="line"><a name="l03336"></a><span class="lineno"> 3336</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03337"></a><span class="lineno"> 3337</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l03338"></a><span class="lineno"> 3338</span>&#160; </div>
<div class="line"><a name="l03339"></a><span class="lineno"> 3339</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> mask = <a class="code" href="QuEST__common_8c.html#acc45bb8300922ea5933e294921e25ea2">getQubitBitMask</a>(controlQubits, numControlQubits);</div>
<div class="line"><a name="l03340"></a><span class="lineno"> 3340</span>&#160; </div>
<div class="line"><a name="l03341"></a><span class="lineno"> 3341</span>&#160;    stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03342"></a><span class="lineno"> 3342</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03343"></a><span class="lineno"> 3343</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03344"></a><span class="lineno"> 3344</span>&#160; </div>
<div class="line"><a name="l03345"></a><span class="lineno"> 3345</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03346"></a><span class="lineno"> 3346</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03347"></a><span class="lineno"> 3347</span>&#160;<span class="preprocessor">    default  (none)              \</span></div>
<div class="line"><a name="l03348"></a><span class="lineno"> 3348</span>&#160;<span class="preprocessor">    shared   (stateVecSize, stateVecReal,stateVecImag, mask, chunkId,chunkSize ) \</span></div>
<div class="line"><a name="l03349"></a><span class="lineno"> 3349</span>&#160;<span class="preprocessor">    private  (index)</span></div>
<div class="line"><a name="l03350"></a><span class="lineno"> 3350</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03351"></a><span class="lineno"> 3351</span>&#160;    {</div>
<div class="line"><a name="l03352"></a><span class="lineno"> 3352</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03353"></a><span class="lineno"> 3353</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03354"></a><span class="lineno"> 3354</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03355"></a><span class="lineno"> 3355</span>&#160;        <span class="keywordflow">for</span> (index=0; index&lt;stateVecSize; index++) {</div>
<div class="line"><a name="l03356"></a><span class="lineno"> 3356</span>&#160;            <span class="keywordflow">if</span> (mask == (mask &amp; (index+chunkId*chunkSize)) ){</div>
<div class="line"><a name="l03357"></a><span class="lineno"> 3357</span>&#160;                stateVecReal [index] = - stateVecReal [index];</div>
<div class="line"><a name="l03358"></a><span class="lineno"> 3358</span>&#160;                stateVecImag [index] = - stateVecImag [index];</div>
<div class="line"><a name="l03359"></a><span class="lineno"> 3359</span>&#160;            }</div>
<div class="line"><a name="l03360"></a><span class="lineno"> 3360</span>&#160;        }</div>
<div class="line"><a name="l03361"></a><span class="lineno"> 3361</span>&#160;    }</div>
<div class="line"><a name="l03362"></a><span class="lineno"> 3362</span>&#160;}</div>
<div class="line"><a name="l03363"></a><span class="lineno"> 3363</span>&#160; </div>
<div class="line"><a name="l03380"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab02bce0ebbb8f624e8ced8b09b99cdef"> 3380</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab02bce0ebbb8f624e8ced8b09b99cdef">statevec_collapseToKnownProbOutcomeLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> measureQubit, <span class="keywordtype">int</span> outcome, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> totalProbability)</div>
<div class="line"><a name="l03381"></a><span class="lineno"> 3381</span>&#160;{</div>
<div class="line"><a name="l03382"></a><span class="lineno"> 3382</span>&#160;    <span class="comment">// ----- sizes</span></div>
<div class="line"><a name="l03383"></a><span class="lineno"> 3383</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock,                                  <span class="comment">// size of blocks</span></div>
<div class="line"><a name="l03384"></a><span class="lineno"> 3384</span>&#160;         sizeHalfBlock;                                       <span class="comment">// size of blocks halved</span></div>
<div class="line"><a name="l03385"></a><span class="lineno"> 3385</span>&#160;    <span class="comment">// ----- indices</span></div>
<div class="line"><a name="l03386"></a><span class="lineno"> 3386</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock,                                  <span class="comment">// current block</span></div>
<div class="line"><a name="l03387"></a><span class="lineno"> 3387</span>&#160;         index;                                               <span class="comment">// current index for first half block</span></div>
<div class="line"><a name="l03388"></a><span class="lineno"> 3388</span>&#160;    <span class="comment">// ----- measured probability</span></div>
<div class="line"><a name="l03389"></a><span class="lineno"> 3389</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>   renorm;                                            <span class="comment">// probability (returned) value</span></div>
<div class="line"><a name="l03390"></a><span class="lineno"> 3390</span>&#160;    <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03391"></a><span class="lineno"> 3391</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;                                   <span class="comment">// task based approach for expose loop with small granularity</span></div>
<div class="line"><a name="l03392"></a><span class="lineno"> 3392</span>&#160;    <span class="comment">// (good for shared memory parallelism)</span></div>
<div class="line"><a name="l03393"></a><span class="lineno"> 3393</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>&gt;&gt;1;</div>
<div class="line"><a name="l03394"></a><span class="lineno"> 3394</span>&#160; </div>
<div class="line"><a name="l03395"></a><span class="lineno"> 3395</span>&#160;    <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03396"></a><span class="lineno"> 3396</span>&#160;    <span class="comment">//            dimensions                                            //</span></div>
<div class="line"><a name="l03397"></a><span class="lineno"> 3397</span>&#160;    <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03398"></a><span class="lineno"> 3398</span>&#160;    sizeHalfBlock = 1LL &lt;&lt; (measureQubit);                       <span class="comment">// number of state vector elements to sum,</span></div>
<div class="line"><a name="l03399"></a><span class="lineno"> 3399</span>&#160;    <span class="comment">// and then the number to skip</span></div>
<div class="line"><a name="l03400"></a><span class="lineno"> 3400</span>&#160;    sizeBlock     = 2LL * sizeHalfBlock;                         <span class="comment">// size of blocks (pairs of measure and skip entries)</span></div>
<div class="line"><a name="l03401"></a><span class="lineno"> 3401</span>&#160; </div>
<div class="line"><a name="l03402"></a><span class="lineno"> 3402</span>&#160;    renorm=1/sqrt(totalProbability);</div>
<div class="line"><a name="l03403"></a><span class="lineno"> 3403</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03404"></a><span class="lineno"> 3404</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03405"></a><span class="lineno"> 3405</span>&#160; </div>
<div class="line"><a name="l03406"></a><span class="lineno"> 3406</span>&#160; </div>
<div class="line"><a name="l03407"></a><span class="lineno"> 3407</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03408"></a><span class="lineno"> 3408</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03409"></a><span class="lineno"> 3409</span>&#160;<span class="preprocessor">    default (none) \</span></div>
<div class="line"><a name="l03410"></a><span class="lineno"> 3410</span>&#160;<span class="preprocessor">    shared    (numTasks,sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag,renorm,outcome) \</span></div>
<div class="line"><a name="l03411"></a><span class="lineno"> 3411</span>&#160;<span class="preprocessor">    private   (thisTask,thisBlock,index)</span></div>
<div class="line"><a name="l03412"></a><span class="lineno"> 3412</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03413"></a><span class="lineno"> 3413</span>&#160;    {</div>
<div class="line"><a name="l03414"></a><span class="lineno"> 3414</span>&#160;        <span class="keywordflow">if</span> (outcome==0){</div>
<div class="line"><a name="l03415"></a><span class="lineno"> 3415</span>&#160;            <span class="comment">// measure qubit is 0</span></div>
<div class="line"><a name="l03416"></a><span class="lineno"> 3416</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03417"></a><span class="lineno"> 3417</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l03418"></a><span class="lineno"> 3418</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03419"></a><span class="lineno"> 3419</span>&#160;            <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l03420"></a><span class="lineno"> 3420</span>&#160;                thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l03421"></a><span class="lineno"> 3421</span>&#160;                index     = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l03422"></a><span class="lineno"> 3422</span>&#160;                stateVecReal[index]=stateVecReal[index]*renorm;</div>
<div class="line"><a name="l03423"></a><span class="lineno"> 3423</span>&#160;                stateVecImag[index]=stateVecImag[index]*renorm;</div>
<div class="line"><a name="l03424"></a><span class="lineno"> 3424</span>&#160; </div>
<div class="line"><a name="l03425"></a><span class="lineno"> 3425</span>&#160;                stateVecReal[index+sizeHalfBlock]=0;</div>
<div class="line"><a name="l03426"></a><span class="lineno"> 3426</span>&#160;                stateVecImag[index+sizeHalfBlock]=0;</div>
<div class="line"><a name="l03427"></a><span class="lineno"> 3427</span>&#160;            }</div>
<div class="line"><a name="l03428"></a><span class="lineno"> 3428</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l03429"></a><span class="lineno"> 3429</span>&#160;            <span class="comment">// measure qubit is 1</span></div>
<div class="line"><a name="l03430"></a><span class="lineno"> 3430</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03431"></a><span class="lineno"> 3431</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l03432"></a><span class="lineno"> 3432</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03433"></a><span class="lineno"> 3433</span>&#160;            <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l03434"></a><span class="lineno"> 3434</span>&#160;                thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l03435"></a><span class="lineno"> 3435</span>&#160;                index     = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l03436"></a><span class="lineno"> 3436</span>&#160;                stateVecReal[index]=0;</div>
<div class="line"><a name="l03437"></a><span class="lineno"> 3437</span>&#160;                stateVecImag[index]=0;</div>
<div class="line"><a name="l03438"></a><span class="lineno"> 3438</span>&#160; </div>
<div class="line"><a name="l03439"></a><span class="lineno"> 3439</span>&#160;                stateVecReal[index+sizeHalfBlock]=stateVecReal[index+sizeHalfBlock]*renorm;</div>
<div class="line"><a name="l03440"></a><span class="lineno"> 3440</span>&#160;                stateVecImag[index+sizeHalfBlock]=stateVecImag[index+sizeHalfBlock]*renorm;</div>
<div class="line"><a name="l03441"></a><span class="lineno"> 3441</span>&#160;            }</div>
<div class="line"><a name="l03442"></a><span class="lineno"> 3442</span>&#160;        }</div>
<div class="line"><a name="l03443"></a><span class="lineno"> 3443</span>&#160;    }</div>
<div class="line"><a name="l03444"></a><span class="lineno"> 3444</span>&#160; </div>
<div class="line"><a name="l03445"></a><span class="lineno"> 3445</span>&#160;}</div>
<div class="line"><a name="l03446"></a><span class="lineno"> 3446</span>&#160; </div>
<div class="line"><a name="l03462"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ad09bb76ad67581b03ab176832cca37cf"> 3462</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ad09bb76ad67581b03ab176832cca37cf">statevec_collapseToKnownProbOutcomeDistributedRenorm</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> measureQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> totalProbability)</div>
<div class="line"><a name="l03463"></a><span class="lineno"> 3463</span>&#160;{</div>
<div class="line"><a name="l03464"></a><span class="lineno"> 3464</span>&#160;    <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03465"></a><span class="lineno"> 3465</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;                                   </div>
<div class="line"><a name="l03466"></a><span class="lineno"> 3466</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03467"></a><span class="lineno"> 3467</span>&#160; </div>
<div class="line"><a name="l03468"></a><span class="lineno"> 3468</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> renorm=1/sqrt(totalProbability);</div>
<div class="line"><a name="l03469"></a><span class="lineno"> 3469</span>&#160; </div>
<div class="line"><a name="l03470"></a><span class="lineno"> 3470</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03471"></a><span class="lineno"> 3471</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03472"></a><span class="lineno"> 3472</span>&#160; </div>
<div class="line"><a name="l03473"></a><span class="lineno"> 3473</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03474"></a><span class="lineno"> 3474</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03475"></a><span class="lineno"> 3475</span>&#160;<span class="preprocessor">    shared    (numTasks,stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l03476"></a><span class="lineno"> 3476</span>&#160;<span class="preprocessor">    private   (thisTask)</span></div>
<div class="line"><a name="l03477"></a><span class="lineno"> 3477</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03478"></a><span class="lineno"> 3478</span>&#160;    {</div>
<div class="line"><a name="l03479"></a><span class="lineno"> 3479</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03480"></a><span class="lineno"> 3480</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l03481"></a><span class="lineno"> 3481</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03482"></a><span class="lineno"> 3482</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l03483"></a><span class="lineno"> 3483</span>&#160;            stateVecReal[thisTask] = stateVecReal[thisTask]*renorm;</div>
<div class="line"><a name="l03484"></a><span class="lineno"> 3484</span>&#160;            stateVecImag[thisTask] = stateVecImag[thisTask]*renorm;</div>
<div class="line"><a name="l03485"></a><span class="lineno"> 3485</span>&#160;        }</div>
<div class="line"><a name="l03486"></a><span class="lineno"> 3486</span>&#160;    }</div>
<div class="line"><a name="l03487"></a><span class="lineno"> 3487</span>&#160;}</div>
<div class="line"><a name="l03488"></a><span class="lineno"> 3488</span>&#160; </div>
<div class="line"><a name="l03501"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a7ea68e9132ed9db9c242353a33dba2f0"> 3501</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a7ea68e9132ed9db9c242353a33dba2f0">statevec_collapseToOutcomeDistributedSetZero</a>(<a class="code" href="structQureg.html">Qureg</a> qureg)</div>
<div class="line"><a name="l03502"></a><span class="lineno"> 3502</span>&#160;{</div>
<div class="line"><a name="l03503"></a><span class="lineno"> 3503</span>&#160;    <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03504"></a><span class="lineno"> 3504</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;                                   </div>
<div class="line"><a name="l03505"></a><span class="lineno"> 3505</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03506"></a><span class="lineno"> 3506</span>&#160; </div>
<div class="line"><a name="l03507"></a><span class="lineno"> 3507</span>&#160;    <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03508"></a><span class="lineno"> 3508</span>&#160;    <span class="comment">//            find probability                                      //</span></div>
<div class="line"><a name="l03509"></a><span class="lineno"> 3509</span>&#160;    <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03510"></a><span class="lineno"> 3510</span>&#160; </div>
<div class="line"><a name="l03511"></a><span class="lineno"> 3511</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03512"></a><span class="lineno"> 3512</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03513"></a><span class="lineno"> 3513</span>&#160; </div>
<div class="line"><a name="l03514"></a><span class="lineno"> 3514</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03515"></a><span class="lineno"> 3515</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03516"></a><span class="lineno"> 3516</span>&#160;<span class="preprocessor">    shared    (numTasks,stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l03517"></a><span class="lineno"> 3517</span>&#160;<span class="preprocessor">    private   (thisTask)</span></div>
<div class="line"><a name="l03518"></a><span class="lineno"> 3518</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03519"></a><span class="lineno"> 3519</span>&#160;    {</div>
<div class="line"><a name="l03520"></a><span class="lineno"> 3520</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03521"></a><span class="lineno"> 3521</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l03522"></a><span class="lineno"> 3522</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03523"></a><span class="lineno"> 3523</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {</div>
<div class="line"><a name="l03524"></a><span class="lineno"> 3524</span>&#160;            stateVecReal[thisTask] = 0;</div>
<div class="line"><a name="l03525"></a><span class="lineno"> 3525</span>&#160;            stateVecImag[thisTask] = 0;</div>
<div class="line"><a name="l03526"></a><span class="lineno"> 3526</span>&#160;        }</div>
<div class="line"><a name="l03527"></a><span class="lineno"> 3527</span>&#160;    }</div>
<div class="line"><a name="l03528"></a><span class="lineno"> 3528</span>&#160;}</div>
<div class="line"><a name="l03529"></a><span class="lineno"> 3529</span>&#160; </div>
<div class="line"><a name="l03536"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab5b51a28caa8792a3f0c637409a694b0"> 3536</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab5b51a28caa8792a3f0c637409a694b0">statevec_swapQubitAmpsLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> qb1, <span class="keywordtype">int</span> qb2) {</div>
<div class="line"><a name="l03537"></a><span class="lineno"> 3537</span>&#160; </div>
<div class="line"><a name="l03538"></a><span class="lineno"> 3538</span>&#160;    <span class="comment">// can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l03539"></a><span class="lineno"> 3539</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *reVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03540"></a><span class="lineno"> 3540</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *imVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03541"></a><span class="lineno"> 3541</span>&#160;    </div>
<div class="line"><a name="l03542"></a><span class="lineno"> 3542</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> &gt;&gt; 2; <span class="comment">// each iteration updates 2 amps and skips 2 amps</span></div>
<div class="line"><a name="l03543"></a><span class="lineno"> 3543</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l03544"></a><span class="lineno"> 3544</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ind00, ind01, ind10;</div>
<div class="line"><a name="l03545"></a><span class="lineno"> 3545</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> re01, re10;</div>
<div class="line"><a name="l03546"></a><span class="lineno"> 3546</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> im01, im10;</div>
<div class="line"><a name="l03547"></a><span class="lineno"> 3547</span>&#160;    </div>
<div class="line"><a name="l03548"></a><span class="lineno"> 3548</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03549"></a><span class="lineno"> 3549</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03550"></a><span class="lineno"> 3550</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l03551"></a><span class="lineno"> 3551</span>&#160;<span class="preprocessor">    shared   (reVec,imVec,numTasks,qb1,qb2) \</span></div>
<div class="line"><a name="l03552"></a><span class="lineno"> 3552</span>&#160;<span class="preprocessor">    private  (thisTask, ind00,ind01,ind10, re01,re10, im01,im10) </span></div>
<div class="line"><a name="l03553"></a><span class="lineno"> 3553</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03554"></a><span class="lineno"> 3554</span>&#160;    {</div>
<div class="line"><a name="l03555"></a><span class="lineno"> 3555</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03556"></a><span class="lineno"> 3556</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03557"></a><span class="lineno"> 3557</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03558"></a><span class="lineno"> 3558</span>&#160;        <span class="keywordflow">for</span> (thisTask=0; thisTask&lt;numTasks; thisTask++) {    </div>
<div class="line"><a name="l03559"></a><span class="lineno"> 3559</span>&#160;            <span class="comment">// determine ind00 of |..0..0..&gt;, |..0..1..&gt; and |..1..0..&gt;</span></div>
<div class="line"><a name="l03560"></a><span class="lineno"> 3560</span>&#160;            ind00 = <a class="code" href="QuEST__gpu_8cu.html#a4760109974e9b52c60e9d60ccded3138">insertTwoZeroBits</a>(thisTask, qb1, qb2);</div>
<div class="line"><a name="l03561"></a><span class="lineno"> 3561</span>&#160;            ind01 = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(ind00, qb1);</div>
<div class="line"><a name="l03562"></a><span class="lineno"> 3562</span>&#160;            ind10 = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(ind00, qb2);</div>
<div class="line"><a name="l03563"></a><span class="lineno"> 3563</span>&#160; </div>
<div class="line"><a name="l03564"></a><span class="lineno"> 3564</span>&#160;            <span class="comment">// extract statevec amplitudes </span></div>
<div class="line"><a name="l03565"></a><span class="lineno"> 3565</span>&#160;            re01 = reVec[ind01]; im01 = imVec[ind01];</div>
<div class="line"><a name="l03566"></a><span class="lineno"> 3566</span>&#160;            re10 = reVec[ind10]; im10 = imVec[ind10];</div>
<div class="line"><a name="l03567"></a><span class="lineno"> 3567</span>&#160; </div>
<div class="line"><a name="l03568"></a><span class="lineno"> 3568</span>&#160;            <span class="comment">// swap 01 and 10 amps</span></div>
<div class="line"><a name="l03569"></a><span class="lineno"> 3569</span>&#160;            reVec[ind01] = re10; reVec[ind10] = re01;</div>
<div class="line"><a name="l03570"></a><span class="lineno"> 3570</span>&#160;            imVec[ind01] = im10; imVec[ind10] = im01;</div>
<div class="line"><a name="l03571"></a><span class="lineno"> 3571</span>&#160;        }</div>
<div class="line"><a name="l03572"></a><span class="lineno"> 3572</span>&#160;    }</div>
<div class="line"><a name="l03573"></a><span class="lineno"> 3573</span>&#160;}</div>
<div class="line"><a name="l03574"></a><span class="lineno"> 3574</span>&#160; </div>
<div class="line"><a name="l03579"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#abe74a5a9db8340e37b80fbc77338894d"> 3579</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#abe74a5a9db8340e37b80fbc77338894d">statevec_swapQubitAmpsDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> pairRank, <span class="keywordtype">int</span> qb1, <span class="keywordtype">int</span> qb2) {</div>
<div class="line"><a name="l03580"></a><span class="lineno"> 3580</span>&#160;    </div>
<div class="line"><a name="l03581"></a><span class="lineno"> 3581</span>&#160;    <span class="comment">// can&#39;t use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l03582"></a><span class="lineno"> 3582</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *reVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03583"></a><span class="lineno"> 3583</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *imVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03584"></a><span class="lineno"> 3584</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *rePairVec = qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real;</div>
<div class="line"><a name="l03585"></a><span class="lineno"> 3585</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *imPairVec = qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag;</div>
<div class="line"><a name="l03586"></a><span class="lineno"> 3586</span>&#160;    </div>
<div class="line"><a name="l03587"></a><span class="lineno"> 3587</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numLocalAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03588"></a><span class="lineno"> 3588</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalStartInd = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> * numLocalAmps;</div>
<div class="line"><a name="l03589"></a><span class="lineno"> 3589</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> pairGlobalStartInd = pairRank * numLocalAmps;</div>
<div class="line"><a name="l03590"></a><span class="lineno"> 3590</span>&#160; </div>
<div class="line"><a name="l03591"></a><span class="lineno"> 3591</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localInd, globalInd;</div>
<div class="line"><a name="l03592"></a><span class="lineno"> 3592</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> pairLocalInd, pairGlobalInd;</div>
<div class="line"><a name="l03593"></a><span class="lineno"> 3593</span>&#160;    </div>
<div class="line"><a name="l03594"></a><span class="lineno"> 3594</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03595"></a><span class="lineno"> 3595</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03596"></a><span class="lineno"> 3596</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l03597"></a><span class="lineno"> 3597</span>&#160;<span class="preprocessor">    shared   (reVec,imVec,rePairVec,imPairVec,numLocalAmps,globalStartInd,pairGlobalStartInd,qb1,qb2) \</span></div>
<div class="line"><a name="l03598"></a><span class="lineno"> 3598</span>&#160;<span class="preprocessor">    private  (localInd,globalInd, pairLocalInd,pairGlobalInd) </span></div>
<div class="line"><a name="l03599"></a><span class="lineno"> 3599</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03600"></a><span class="lineno"> 3600</span>&#160;    {</div>
<div class="line"><a name="l03601"></a><span class="lineno"> 3601</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03602"></a><span class="lineno"> 3602</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03603"></a><span class="lineno"> 3603</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03604"></a><span class="lineno"> 3604</span>&#160;        <span class="keywordflow">for</span> (localInd=0; localInd &lt; numLocalAmps; localInd++) { </div>
<div class="line"><a name="l03605"></a><span class="lineno"> 3605</span>&#160;            </div>
<div class="line"><a name="l03606"></a><span class="lineno"> 3606</span>&#160;            globalInd = globalStartInd + localInd;</div>
<div class="line"><a name="l03607"></a><span class="lineno"> 3607</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="QuEST__cpu__internal_8h.html#a0e4eb651e7cb309bcd664b89ac9a2242">isOddParity</a>(globalInd, qb1, qb2)) {</div>
<div class="line"><a name="l03608"></a><span class="lineno"> 3608</span>&#160;                </div>
<div class="line"><a name="l03609"></a><span class="lineno"> 3609</span>&#160;                pairGlobalInd = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(<a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(globalInd, qb1), qb2);</div>
<div class="line"><a name="l03610"></a><span class="lineno"> 3610</span>&#160;                pairLocalInd = pairGlobalInd - pairGlobalStartInd;</div>
<div class="line"><a name="l03611"></a><span class="lineno"> 3611</span>&#160;                </div>
<div class="line"><a name="l03612"></a><span class="lineno"> 3612</span>&#160;                reVec[localInd] = rePairVec[pairLocalInd];</div>
<div class="line"><a name="l03613"></a><span class="lineno"> 3613</span>&#160;                imVec[localInd] = imPairVec[pairLocalInd];</div>
<div class="line"><a name="l03614"></a><span class="lineno"> 3614</span>&#160;            }</div>
<div class="line"><a name="l03615"></a><span class="lineno"> 3615</span>&#160;        }</div>
<div class="line"><a name="l03616"></a><span class="lineno"> 3616</span>&#160;    }</div>
<div class="line"><a name="l03617"></a><span class="lineno"> 3617</span>&#160;}</div>
<div class="line"><a name="l03618"></a><span class="lineno"> 3618</span>&#160; </div>
<div class="line"><a name="l03619"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ad64a23933361fafc1b6b1787759c2663"> 3619</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ad64a23933361fafc1b6b1787759c2663">statevec_setWeightedQureg</a>(<a class="code" href="structComplex.html">Complex</a> fac1, <a class="code" href="structQureg.html">Qureg</a> qureg1, <a class="code" href="structComplex.html">Complex</a> fac2, <a class="code" href="structQureg.html">Qureg</a> qureg2, <a class="code" href="structComplex.html">Complex</a> facOut, <a class="code" href="structQureg.html">Qureg</a> out) {</div>
<div class="line"><a name="l03620"></a><span class="lineno"> 3620</span>&#160; </div>
<div class="line"><a name="l03621"></a><span class="lineno"> 3621</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg1.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03622"></a><span class="lineno"> 3622</span>&#160; </div>
<div class="line"><a name="l03623"></a><span class="lineno"> 3623</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecRe1 = qureg1.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03624"></a><span class="lineno"> 3624</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecIm1 = qureg1.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03625"></a><span class="lineno"> 3625</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecRe2 = qureg2.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03626"></a><span class="lineno"> 3626</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecIm2 = qureg2.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03627"></a><span class="lineno"> 3627</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecReOut = out.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03628"></a><span class="lineno"> 3628</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecImOut = out.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03629"></a><span class="lineno"> 3629</span>&#160; </div>
<div class="line"><a name="l03630"></a><span class="lineno"> 3630</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> facRe1 = fac1.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>; </div>
<div class="line"><a name="l03631"></a><span class="lineno"> 3631</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> facIm1 = fac1.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l03632"></a><span class="lineno"> 3632</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> facRe2 = fac2.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l03633"></a><span class="lineno"> 3633</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> facIm2 = fac2.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l03634"></a><span class="lineno"> 3634</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> facReOut = facOut.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l03635"></a><span class="lineno"> 3635</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> facImOut = facOut.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l03636"></a><span class="lineno"> 3636</span>&#160; </div>
<div class="line"><a name="l03637"></a><span class="lineno"> 3637</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> re1,im1, re2,im2, reOut,imOut;</div>
<div class="line"><a name="l03638"></a><span class="lineno"> 3638</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03639"></a><span class="lineno"> 3639</span>&#160; </div>
<div class="line"><a name="l03640"></a><span class="lineno"> 3640</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03641"></a><span class="lineno"> 3641</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03642"></a><span class="lineno"> 3642</span>&#160;<span class="preprocessor">    shared    (vecRe1,vecIm1, vecRe2,vecIm2, vecReOut,vecImOut, facRe1,facIm1,facRe2,facIm2, numAmps) \</span></div>
<div class="line"><a name="l03643"></a><span class="lineno"> 3643</span>&#160;<span class="preprocessor">    private   (index, re1,im1, re2,im2, reOut,imOut)</span></div>
<div class="line"><a name="l03644"></a><span class="lineno"> 3644</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03645"></a><span class="lineno"> 3645</span>&#160;    {</div>
<div class="line"><a name="l03646"></a><span class="lineno"> 3646</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03647"></a><span class="lineno"> 3647</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l03648"></a><span class="lineno"> 3648</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03649"></a><span class="lineno"> 3649</span>&#160;        <span class="keywordflow">for</span> (index=0LL; index&lt;numAmps; index++) {</div>
<div class="line"><a name="l03650"></a><span class="lineno"> 3650</span>&#160;            re1 = vecRe1[index]; im1 = vecIm1[index];</div>
<div class="line"><a name="l03651"></a><span class="lineno"> 3651</span>&#160;            re2 = vecRe2[index]; im2 = vecIm2[index];</div>
<div class="line"><a name="l03652"></a><span class="lineno"> 3652</span>&#160;            reOut = vecReOut[index];</div>
<div class="line"><a name="l03653"></a><span class="lineno"> 3653</span>&#160;            imOut = vecImOut[index];</div>
<div class="line"><a name="l03654"></a><span class="lineno"> 3654</span>&#160; </div>
<div class="line"><a name="l03655"></a><span class="lineno"> 3655</span>&#160;            vecReOut[index] = (facReOut*reOut - facImOut*imOut) + (facRe1*re1 - facIm1*im1) + (facRe2*re2 - facIm2*im2);</div>
<div class="line"><a name="l03656"></a><span class="lineno"> 3656</span>&#160;            vecImOut[index] = (facReOut*imOut + facImOut*reOut) + (facRe1*im1 + facIm1*re1) + (facRe2*im2 + facIm2*re2);</div>
<div class="line"><a name="l03657"></a><span class="lineno"> 3657</span>&#160;        }</div>
<div class="line"><a name="l03658"></a><span class="lineno"> 3658</span>&#160;    }</div>
<div class="line"><a name="l03659"></a><span class="lineno"> 3659</span>&#160;}</div>
<div class="line"><a name="l03660"></a><span class="lineno"> 3660</span>&#160; </div>
<div class="line"><a name="l03661"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a27294e3065ebe42a65b3b9e0f85551dd"> 3661</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a27294e3065ebe42a65b3b9e0f85551dd">statevec_applyDiagonalOp</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structDiagonalOp.html">DiagonalOp</a> op) {</div>
<div class="line"><a name="l03662"></a><span class="lineno"> 3662</span>&#160; </div>
<div class="line"><a name="l03663"></a><span class="lineno"> 3663</span>&#160;    <span class="comment">// each node/chunk modifies only its values in an embarrassingly parallelisable way</span></div>
<div class="line"><a name="l03664"></a><span class="lineno"> 3664</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03665"></a><span class="lineno"> 3665</span>&#160; </div>
<div class="line"><a name="l03666"></a><span class="lineno"> 3666</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03667"></a><span class="lineno"> 3667</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03668"></a><span class="lineno"> 3668</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opRe = op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a>;</div>
<div class="line"><a name="l03669"></a><span class="lineno"> 3669</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opIm = op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a>;</div>
<div class="line"><a name="l03670"></a><span class="lineno"> 3670</span>&#160; </div>
<div class="line"><a name="l03671"></a><span class="lineno"> 3671</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> a,b,c,d;</div>
<div class="line"><a name="l03672"></a><span class="lineno"> 3672</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03673"></a><span class="lineno"> 3673</span>&#160; </div>
<div class="line"><a name="l03674"></a><span class="lineno"> 3674</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03675"></a><span class="lineno"> 3675</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03676"></a><span class="lineno"> 3676</span>&#160;<span class="preprocessor">    shared    (stateRe,stateIm, opRe,opIm, numAmps) \</span></div>
<div class="line"><a name="l03677"></a><span class="lineno"> 3677</span>&#160;<span class="preprocessor">    private   (index, a,b,c,d)</span></div>
<div class="line"><a name="l03678"></a><span class="lineno"> 3678</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03679"></a><span class="lineno"> 3679</span>&#160;    {</div>
<div class="line"><a name="l03680"></a><span class="lineno"> 3680</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03681"></a><span class="lineno"> 3681</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l03682"></a><span class="lineno"> 3682</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03683"></a><span class="lineno"> 3683</span>&#160;        <span class="keywordflow">for</span> (index=0LL; index&lt;numAmps; index++) {</div>
<div class="line"><a name="l03684"></a><span class="lineno"> 3684</span>&#160;            a = stateRe[index];</div>
<div class="line"><a name="l03685"></a><span class="lineno"> 3685</span>&#160;            b = stateIm[index];</div>
<div class="line"><a name="l03686"></a><span class="lineno"> 3686</span>&#160;            c = opRe[index];</div>
<div class="line"><a name="l03687"></a><span class="lineno"> 3687</span>&#160;            d = opIm[index];</div>
<div class="line"><a name="l03688"></a><span class="lineno"> 3688</span>&#160; </div>
<div class="line"><a name="l03689"></a><span class="lineno"> 3689</span>&#160;            <span class="comment">// (a + b i)(c + d i) = (a c - b d) + i (a d + b c)</span></div>
<div class="line"><a name="l03690"></a><span class="lineno"> 3690</span>&#160;            stateRe[index] = a*c - b*d;</div>
<div class="line"><a name="l03691"></a><span class="lineno"> 3691</span>&#160;            stateIm[index] = a*d + b*c;</div>
<div class="line"><a name="l03692"></a><span class="lineno"> 3692</span>&#160;        }</div>
<div class="line"><a name="l03693"></a><span class="lineno"> 3693</span>&#160;    }</div>
<div class="line"><a name="l03694"></a><span class="lineno"> 3694</span>&#160;}</div>
<div class="line"><a name="l03695"></a><span class="lineno"> 3695</span>&#160; </div>
<div class="line"><a name="l03696"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#afa58cf7cb98a25ab33621120c5c330d0"> 3696</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#afa58cf7cb98a25ab33621120c5c330d0">densmatr_applyDiagonalOpLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structDiagonalOp.html">DiagonalOp</a> op) {</div>
<div class="line"><a name="l03697"></a><span class="lineno"> 3697</span>&#160;    </div>
<div class="line"><a name="l03698"></a><span class="lineno"> 3698</span>&#160;    <span class="comment">/* ALL values of op are pre-loaded into qureg.pairStateVector (on every node).</span></div>
<div class="line"><a name="l03699"></a><span class="lineno"> 3699</span>&#160;<span class="comment">     * Furthermore, since it&#39;s gauranteed each node contains an integer number of </span></div>
<div class="line"><a name="l03700"></a><span class="lineno"> 3700</span>&#160;<span class="comment">     * columns of qureg (because op upperlimits the number of nodes; 1 per element),</span></div>
<div class="line"><a name="l03701"></a><span class="lineno"> 3701</span>&#160;<span class="comment">     * then we know iteration below begins at the &#39;top&#39; of a column, and there is </span></div>
<div class="line"><a name="l03702"></a><span class="lineno"> 3702</span>&#160;<span class="comment">     * no offset for op (pairStateVector)</span></div>
<div class="line"><a name="l03703"></a><span class="lineno"> 3703</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l03704"></a><span class="lineno"> 3704</span>&#160; </div>
<div class="line"><a name="l03705"></a><span class="lineno"> 3705</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03706"></a><span class="lineno"> 3706</span>&#160;    <span class="keywordtype">int</span> opDim = (1 &lt;&lt; op.<a class="code" href="structDiagonalOp.html#a5131eeb67aafb4c19ac98270c3266742">numQubits</a>);</div>
<div class="line"><a name="l03707"></a><span class="lineno"> 3707</span>&#160; </div>
<div class="line"><a name="l03708"></a><span class="lineno"> 3708</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03709"></a><span class="lineno"> 3709</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03710"></a><span class="lineno"> 3710</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opRe = qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real;</div>
<div class="line"><a name="l03711"></a><span class="lineno"> 3711</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opIm = qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag;</div>
<div class="line"><a name="l03712"></a><span class="lineno"> 3712</span>&#160;    </div>
<div class="line"><a name="l03713"></a><span class="lineno"> 3713</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> a,b,c,d;</div>
<div class="line"><a name="l03714"></a><span class="lineno"> 3714</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03715"></a><span class="lineno"> 3715</span>&#160; </div>
<div class="line"><a name="l03716"></a><span class="lineno"> 3716</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03717"></a><span class="lineno"> 3717</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03718"></a><span class="lineno"> 3718</span>&#160;<span class="preprocessor">    shared    (stateRe,stateIm, opRe,opIm, numAmps,opDim) \</span></div>
<div class="line"><a name="l03719"></a><span class="lineno"> 3719</span>&#160;<span class="preprocessor">    private   (index, a,b,c,d)</span></div>
<div class="line"><a name="l03720"></a><span class="lineno"> 3720</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03721"></a><span class="lineno"> 3721</span>&#160;    {</div>
<div class="line"><a name="l03722"></a><span class="lineno"> 3722</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03723"></a><span class="lineno"> 3723</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l03724"></a><span class="lineno"> 3724</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03725"></a><span class="lineno"> 3725</span>&#160;        <span class="keywordflow">for</span> (index=0LL; index&lt;numAmps; index++) {</div>
<div class="line"><a name="l03726"></a><span class="lineno"> 3726</span>&#160;            a = stateRe[index];</div>
<div class="line"><a name="l03727"></a><span class="lineno"> 3727</span>&#160;            b = stateIm[index];</div>
<div class="line"><a name="l03728"></a><span class="lineno"> 3728</span>&#160;            c = opRe[index % opDim];</div>
<div class="line"><a name="l03729"></a><span class="lineno"> 3729</span>&#160;            d = opIm[index % opDim];</div>
<div class="line"><a name="l03730"></a><span class="lineno"> 3730</span>&#160; </div>
<div class="line"><a name="l03731"></a><span class="lineno"> 3731</span>&#160;            <span class="comment">// (a + b i)(c + d i) = (a c - b d) + i (a d + b c)</span></div>
<div class="line"><a name="l03732"></a><span class="lineno"> 3732</span>&#160;            stateRe[index] = a*c - b*d;</div>
<div class="line"><a name="l03733"></a><span class="lineno"> 3733</span>&#160;            stateIm[index] = a*d + b*c;</div>
<div class="line"><a name="l03734"></a><span class="lineno"> 3734</span>&#160;        }</div>
<div class="line"><a name="l03735"></a><span class="lineno"> 3735</span>&#160;    }</div>
<div class="line"><a name="l03736"></a><span class="lineno"> 3736</span>&#160;}</div>
<div class="line"><a name="l03737"></a><span class="lineno"> 3737</span>&#160; </div>
<div class="line"><a name="l03738"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a16ccb485bcffb328bbd5b2af6977cead"> 3738</a></span>&#160;<a class="code" href="structComplex.html">Complex</a> <a class="code" href="QuEST__cpu_8c.html#a16ccb485bcffb328bbd5b2af6977cead">statevec_calcExpecDiagonalOpLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structDiagonalOp.html">DiagonalOp</a> op) {</div>
<div class="line"><a name="l03739"></a><span class="lineno"> 3739</span>&#160;    </div>
<div class="line"><a name="l03740"></a><span class="lineno"> 3740</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> expecRe = 0;</div>
<div class="line"><a name="l03741"></a><span class="lineno"> 3741</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> expecIm = 0;</div>
<div class="line"><a name="l03742"></a><span class="lineno"> 3742</span>&#160;    </div>
<div class="line"><a name="l03743"></a><span class="lineno"> 3743</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03744"></a><span class="lineno"> 3744</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03745"></a><span class="lineno"> 3745</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03746"></a><span class="lineno"> 3746</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03747"></a><span class="lineno"> 3747</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *opReal = op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a>;</div>
<div class="line"><a name="l03748"></a><span class="lineno"> 3748</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *opImag = op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a>;</div>
<div class="line"><a name="l03749"></a><span class="lineno"> 3749</span>&#160;    </div>
<div class="line"><a name="l03750"></a><span class="lineno"> 3750</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> vecRe,vecIm,vecAbs, opRe, opIm;</div>
<div class="line"><a name="l03751"></a><span class="lineno"> 3751</span>&#160;    </div>
<div class="line"><a name="l03752"></a><span class="lineno"> 3752</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03753"></a><span class="lineno"> 3753</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03754"></a><span class="lineno"> 3754</span>&#160;<span class="preprocessor">    shared    (stateReal, stateImag, opReal, opImag, numAmps) \</span></div>
<div class="line"><a name="l03755"></a><span class="lineno"> 3755</span>&#160;<span class="preprocessor">    private   (index, vecRe,vecIm,vecAbs, opRe,opIm) \</span></div>
<div class="line"><a name="l03756"></a><span class="lineno"> 3756</span>&#160;<span class="preprocessor">    reduction ( +:expecRe, expecIm )</span></div>
<div class="line"><a name="l03757"></a><span class="lineno"> 3757</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03758"></a><span class="lineno"> 3758</span>&#160;    {</div>
<div class="line"><a name="l03759"></a><span class="lineno"> 3759</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03760"></a><span class="lineno"> 3760</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l03761"></a><span class="lineno"> 3761</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03762"></a><span class="lineno"> 3762</span>&#160;        <span class="keywordflow">for</span> (index=0; index &lt; numAmps; index++) {</div>
<div class="line"><a name="l03763"></a><span class="lineno"> 3763</span>&#160;            vecRe = stateReal[index];</div>
<div class="line"><a name="l03764"></a><span class="lineno"> 3764</span>&#160;            vecIm = stateImag[index];</div>
<div class="line"><a name="l03765"></a><span class="lineno"> 3765</span>&#160;            opRe = opReal[index];</div>
<div class="line"><a name="l03766"></a><span class="lineno"> 3766</span>&#160;            opIm = opImag[index];</div>
<div class="line"><a name="l03767"></a><span class="lineno"> 3767</span>&#160;            </div>
<div class="line"><a name="l03768"></a><span class="lineno"> 3768</span>&#160;            <span class="comment">// abs(vec)^2 op</span></div>
<div class="line"><a name="l03769"></a><span class="lineno"> 3769</span>&#160;            vecAbs = vecRe*vecRe + vecIm*vecIm;</div>
<div class="line"><a name="l03770"></a><span class="lineno"> 3770</span>&#160;            expecRe += vecAbs*opRe;</div>
<div class="line"><a name="l03771"></a><span class="lineno"> 3771</span>&#160;            expecIm += vecAbs*opIm;</div>
<div class="line"><a name="l03772"></a><span class="lineno"> 3772</span>&#160;        }</div>
<div class="line"><a name="l03773"></a><span class="lineno"> 3773</span>&#160;    }</div>
<div class="line"><a name="l03774"></a><span class="lineno"> 3774</span>&#160;    </div>
<div class="line"><a name="l03775"></a><span class="lineno"> 3775</span>&#160;    <a class="code" href="structComplex.html">Complex</a> innerProd;</div>
<div class="line"><a name="l03776"></a><span class="lineno"> 3776</span>&#160;    innerProd.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a> = expecRe;</div>
<div class="line"><a name="l03777"></a><span class="lineno"> 3777</span>&#160;    innerProd.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a> = expecIm;</div>
<div class="line"><a name="l03778"></a><span class="lineno"> 3778</span>&#160;    <span class="keywordflow">return</span> innerProd;</div>
<div class="line"><a name="l03779"></a><span class="lineno"> 3779</span>&#160;}</div>
<div class="line"><a name="l03780"></a><span class="lineno"> 3780</span>&#160; </div>
<div class="line"><a name="l03781"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#aeb4453a2e609e5359d2995bccf6663ca"> 3781</a></span>&#160;<a class="code" href="structComplex.html">Complex</a> <a class="code" href="QuEST__cpu_8c.html#aeb4453a2e609e5359d2995bccf6663ca">densmatr_calcExpecDiagonalOpLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structDiagonalOp.html">DiagonalOp</a> op) {</div>
<div class="line"><a name="l03782"></a><span class="lineno"> 3782</span>&#160;    </div>
<div class="line"><a name="l03783"></a><span class="lineno"> 3783</span>&#160;    <span class="comment">/* since for every 1 element in \p op, there exists a column in \p qureg, </span></div>
<div class="line"><a name="l03784"></a><span class="lineno"> 3784</span>&#160;<span class="comment">     * we know that the elements in \p op live on the same node as the </span></div>
<div class="line"><a name="l03785"></a><span class="lineno"> 3785</span>&#160;<span class="comment">     * corresponding diagonal elements of \p qureg. This means, the problem is </span></div>
<div class="line"><a name="l03786"></a><span class="lineno"> 3786</span>&#160;<span class="comment">     * embarrassingly parallelisable, and the code below works for both </span></div>
<div class="line"><a name="l03787"></a><span class="lineno"> 3787</span>&#160;<span class="comment">     * serial and distributed modes.</span></div>
<div class="line"><a name="l03788"></a><span class="lineno"> 3788</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l03789"></a><span class="lineno"> 3789</span>&#160;    </div>
<div class="line"><a name="l03790"></a><span class="lineno"> 3790</span>&#160;    <span class="comment">// computes first local index containing a diagonal element</span></div>
<div class="line"><a name="l03791"></a><span class="lineno"> 3791</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> diagSpacing = 1LL + (1LL &lt;&lt; qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l03792"></a><span class="lineno"> 3792</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numPrevDiags = (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>&gt;0)? 1+(qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>)/diagSpacing : 0;</div>
<div class="line"><a name="l03793"></a><span class="lineno"> 3793</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalIndNextDiag = diagSpacing * numPrevDiags;</div>
<div class="line"><a name="l03794"></a><span class="lineno"> 3794</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localIndNextDiag = globalIndNextDiag % qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03795"></a><span class="lineno"> 3795</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03796"></a><span class="lineno"> 3796</span>&#160;    </div>
<div class="line"><a name="l03797"></a><span class="lineno"> 3797</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03798"></a><span class="lineno"> 3798</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03799"></a><span class="lineno"> 3799</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opReal = op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a>;</div>
<div class="line"><a name="l03800"></a><span class="lineno"> 3800</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opImag = op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a>;</div>
<div class="line"><a name="l03801"></a><span class="lineno"> 3801</span>&#160;    </div>
<div class="line"><a name="l03802"></a><span class="lineno"> 3802</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> expecRe = 0;</div>
<div class="line"><a name="l03803"></a><span class="lineno"> 3803</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> expecIm = 0;</div>
<div class="line"><a name="l03804"></a><span class="lineno"> 3804</span>&#160;    </div>
<div class="line"><a name="l03805"></a><span class="lineno"> 3805</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateInd;</div>
<div class="line"><a name="l03806"></a><span class="lineno"> 3806</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> opInd;</div>
<div class="line"><a name="l03807"></a><span class="lineno"> 3807</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> matRe, matIm, opRe, opIm;</div>
<div class="line"><a name="l03808"></a><span class="lineno"> 3808</span>&#160;    </div>
<div class="line"><a name="l03809"></a><span class="lineno"> 3809</span>&#160;    <span class="comment">// visits every diagonal element with global index (2^n + 1)i for i in [0, 2^n-1]</span></div>
<div class="line"><a name="l03810"></a><span class="lineno"> 3810</span>&#160;    </div>
<div class="line"><a name="l03811"></a><span class="lineno"> 3811</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03812"></a><span class="lineno"> 3812</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03813"></a><span class="lineno"> 3813</span>&#160;<span class="preprocessor">    shared    (stateReal,stateImag, opReal,opImag, localIndNextDiag,diagSpacing,numAmps) \</span></div>
<div class="line"><a name="l03814"></a><span class="lineno"> 3814</span>&#160;<span class="preprocessor">    private   (stateInd,opInd, matRe,matIm, opRe,opIm) \</span></div>
<div class="line"><a name="l03815"></a><span class="lineno"> 3815</span>&#160;<span class="preprocessor">    reduction ( +:expecRe, expecIm )</span></div>
<div class="line"><a name="l03816"></a><span class="lineno"> 3816</span>&#160;<span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03817"></a><span class="lineno"> 3817</span>&#160;    {</div>
<div class="line"><a name="l03818"></a><span class="lineno"> 3818</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03819"></a><span class="lineno"> 3819</span>&#160;<span class="preprocessor"># pragma omp for schedule  (static)</span></div>
<div class="line"><a name="l03820"></a><span class="lineno"> 3820</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03821"></a><span class="lineno"> 3821</span>&#160;        <span class="keywordflow">for</span> (stateInd=localIndNextDiag; stateInd &lt; numAmps; stateInd += diagSpacing) {</div>
<div class="line"><a name="l03822"></a><span class="lineno"> 3822</span>&#160;            </div>
<div class="line"><a name="l03823"></a><span class="lineno"> 3823</span>&#160;            matRe = stateReal[stateInd];</div>
<div class="line"><a name="l03824"></a><span class="lineno"> 3824</span>&#160;            matIm = stateImag[stateInd];</div>
<div class="line"><a name="l03825"></a><span class="lineno"> 3825</span>&#160;            opInd = (stateInd - localIndNextDiag) / diagSpacing;</div>
<div class="line"><a name="l03826"></a><span class="lineno"> 3826</span>&#160;            opRe = opReal[opInd];</div>
<div class="line"><a name="l03827"></a><span class="lineno"> 3827</span>&#160;            opIm = opImag[opInd];</div>
<div class="line"><a name="l03828"></a><span class="lineno"> 3828</span>&#160;            </div>
<div class="line"><a name="l03829"></a><span class="lineno"> 3829</span>&#160;            <span class="comment">// (matRe + matIm i)(opRe + opIm i) = </span></div>
<div class="line"><a name="l03830"></a><span class="lineno"> 3830</span>&#160;            <span class="comment">//      (matRe opRe - matIm opIm) + i (matRe opIm + matIm opRe)</span></div>
<div class="line"><a name="l03831"></a><span class="lineno"> 3831</span>&#160;            expecRe += matRe * opRe - matIm * opIm;</div>
<div class="line"><a name="l03832"></a><span class="lineno"> 3832</span>&#160;            expecIm += matRe * opIm + matIm * opRe;</div>
<div class="line"><a name="l03833"></a><span class="lineno"> 3833</span>&#160;        }</div>
<div class="line"><a name="l03834"></a><span class="lineno"> 3834</span>&#160;    }</div>
<div class="line"><a name="l03835"></a><span class="lineno"> 3835</span>&#160;    </div>
<div class="line"><a name="l03836"></a><span class="lineno"> 3836</span>&#160;    <a class="code" href="structComplex.html">Complex</a> expecVal;</div>
<div class="line"><a name="l03837"></a><span class="lineno"> 3837</span>&#160;    expecVal.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a> = expecRe;</div>
<div class="line"><a name="l03838"></a><span class="lineno"> 3838</span>&#160;    expecVal.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a> = expecIm;</div>
<div class="line"><a name="l03839"></a><span class="lineno"> 3839</span>&#160;    <span class="keywordflow">return</span> expecVal;</div>
<div class="line"><a name="l03840"></a><span class="lineno"> 3840</span>&#160;}</div>
<div class="line"><a name="l03841"></a><span class="lineno"> 3841</span>&#160; </div>
<div class="line"><a name="l03842"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ab58d6d599c7a729255b1f8eeded663f3"> 3842</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab58d6d599c7a729255b1f8eeded663f3">agnostic_setDiagonalOpElems</a>(<a class="code" href="structDiagonalOp.html">DiagonalOp</a> op, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> startInd, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* real, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* imag, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numElems) {</div>
<div class="line"><a name="l03843"></a><span class="lineno"> 3843</span>&#160;    </div>
<div class="line"><a name="l03844"></a><span class="lineno"> 3844</span>&#160;    <span class="comment">// local start/end indices of the given amplitudes, assuming they fit in this chunk</span></div>
<div class="line"><a name="l03845"></a><span class="lineno"> 3845</span>&#160;    <span class="comment">// these may be negative or above qureg.numAmpsPerChunk</span></div>
<div class="line"><a name="l03846"></a><span class="lineno"> 3846</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localStartInd = startInd - op.<a class="code" href="structDiagonalOp.html#aa91713a22c95a383bba55e56c4a4e37a">chunkId</a>*op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a>;</div>
<div class="line"><a name="l03847"></a><span class="lineno"> 3847</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localEndInd = localStartInd + numElems; <span class="comment">// exclusive</span></div>
<div class="line"><a name="l03848"></a><span class="lineno"> 3848</span>&#160;    </div>
<div class="line"><a name="l03849"></a><span class="lineno"> 3849</span>&#160;    <span class="comment">// add this to a local index to get corresponding elem in reals &amp; imags</span></div>
<div class="line"><a name="l03850"></a><span class="lineno"> 3850</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> offset = op.<a class="code" href="structDiagonalOp.html#aa91713a22c95a383bba55e56c4a4e37a">chunkId</a>*op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a> - startInd;</div>
<div class="line"><a name="l03851"></a><span class="lineno"> 3851</span>&#160;    </div>
<div class="line"><a name="l03852"></a><span class="lineno"> 3852</span>&#160;    <span class="comment">// restrict these indices to fit into this chunk</span></div>
<div class="line"><a name="l03853"></a><span class="lineno"> 3853</span>&#160;    <span class="keywordflow">if</span> (localStartInd &lt; 0)</div>
<div class="line"><a name="l03854"></a><span class="lineno"> 3854</span>&#160;        localStartInd = 0;</div>
<div class="line"><a name="l03855"></a><span class="lineno"> 3855</span>&#160;    <span class="keywordflow">if</span> (localEndInd &gt; op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a>)</div>
<div class="line"><a name="l03856"></a><span class="lineno"> 3856</span>&#160;        localEndInd = op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a>;</div>
<div class="line"><a name="l03857"></a><span class="lineno"> 3857</span>&#160;    <span class="comment">// they may now be out of order = no iterations</span></div>
<div class="line"><a name="l03858"></a><span class="lineno"> 3858</span>&#160;    </div>
<div class="line"><a name="l03859"></a><span class="lineno"> 3859</span>&#160;    <span class="comment">// unpacking OpenMP vars</span></div>
<div class="line"><a name="l03860"></a><span class="lineno"> 3860</span>&#160;    <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03861"></a><span class="lineno"> 3861</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecRe = op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a>;</div>
<div class="line"><a name="l03862"></a><span class="lineno"> 3862</span>&#160;    <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecIm = op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a>;</div>
<div class="line"><a name="l03863"></a><span class="lineno"> 3863</span>&#160;    </div>
<div class="line"><a name="l03864"></a><span class="lineno"> 3864</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03865"></a><span class="lineno"> 3865</span>&#160;<span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03866"></a><span class="lineno"> 3866</span>&#160;<span class="preprocessor">    default  (none) \</span></div>
<div class="line"><a name="l03867"></a><span class="lineno"> 3867</span>&#160;<span class="preprocessor">    shared   (localStartInd,localEndInd, vecRe,vecIm, real,imag, offset) \</span></div>
<div class="line"><a name="l03868"></a><span class="lineno"> 3868</span>&#160;<span class="preprocessor">    private  (index) </span></div>
<div class="line"><a name="l03869"></a><span class="lineno"> 3869</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03870"></a><span class="lineno"> 3870</span>&#160;    {</div>
<div class="line"><a name="l03871"></a><span class="lineno"> 3871</span>&#160;<span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03872"></a><span class="lineno"> 3872</span>&#160;<span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03873"></a><span class="lineno"> 3873</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03874"></a><span class="lineno"> 3874</span>&#160;        <span class="comment">// iterate these local inds - this might involve no iterations</span></div>
<div class="line"><a name="l03875"></a><span class="lineno"> 3875</span>&#160;        <span class="keywordflow">for</span> (index=localStartInd; index &lt; localEndInd; index++) {</div>
<div class="line"><a name="l03876"></a><span class="lineno"> 3876</span>&#160;            vecRe[index] = real[index + offset];</div>
<div class="line"><a name="l03877"></a><span class="lineno"> 3877</span>&#160;            vecIm[index] = imag[index + offset];</div>
<div class="line"><a name="l03878"></a><span class="lineno"> 3878</span>&#160;        }</div>
<div class="line"><a name="l03879"></a><span class="lineno"> 3879</span>&#160;    }</div>
<div class="line"><a name="l03880"></a><span class="lineno"> 3880</span>&#160;}</div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aQuEST__cpu_8c_html_afa4231f79fe9498e4fd87cc70cde5a9d"><div class="ttname"><a href="QuEST__cpu_8c.html#afa4231f79fe9498e4fd87cc70cde5a9d">qsortComp</a></div><div class="ttdeci">int qsortComp(const void *a, const void *b)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01842">QuEST_cpu.c:1842</a></div></div>
<div class="ttc" id="agroup__debug_html_ga924ef2dbda6b733b4041270077c76ece"><div class="ttname"><a href="group__debug.html#ga924ef2dbda6b733b4041270077c76ece">copyStateFromGPU</a></div><div class="ttdeci">void copyStateFromGPU(Qureg qureg)</div><div class="ttdoc">In GPU mode, this copies the state-vector (or density matrix) from GPU memory (qureg....</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00039">QuEST_cpu.c:39</a></div></div>
<div class="ttc" id="astructComplexMatrix4_html_aeadc9893e1b16cdd585dac523e73926c"><div class="ttname"><a href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">ComplexMatrix4::real</a></div><div class="ttdeci">qreal real[4][4]</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00127">QuEST.h:127</a></div></div>
<div class="ttc" id="agroup__debug_html_ga8d31fe2d1ad4d01e2a1f5f6b8bc15b77"><div class="ttname"><a href="group__debug.html#ga8d31fe2d1ad4d01e2a1f5f6b8bc15b77">syncQuESTEnv</a></div><div class="ttdeci">void syncQuESTEnv(QuESTEnv env)</div><div class="ttdoc">Guarantees that all code up to the given point has been executed on all nodes (if running in distribu...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu__distributed_8c_source.html#l00162">QuEST_cpu_distributed.c:162</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ace1482ef82b83e7f926634a67b322fc4"><div class="ttname"><a href="QuEST__cpu_8c.html#ace1482ef82b83e7f926634a67b322fc4">statevec_controlledNotLocal</a></div><div class="ttdeci">void statevec_controlledNotLocal(Qureg qureg, int controlQubit, int targetQubit)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02584">QuEST_cpu.c:2584</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a63df1ec14ff7cc81c3f392ac10fcc744"><div class="ttname"><a href="QuEST__cpu_8c.html#a63df1ec14ff7cc81c3f392ac10fcc744">statevec_controlledPhaseShift</a></div><div class="ttdeci">void statevec_controlledPhaseShift(Qureg qureg, int idQubit1, int idQubit2, qreal angle)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03019">QuEST_cpu.c:3019</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a45b0916c3e121837f214b64f7424e479"><div class="ttname"><a href="QuEST__cpu_8c.html#a45b0916c3e121837f214b64f7424e479">statevec_pauliYLocal</a></div><div class="ttdeci">void statevec_pauliYLocal(Qureg qureg, int targetQubit, int conjFac)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02682">QuEST_cpu.c:2682</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a939897137596bb73ad7a028d0beaaa10"><div class="ttname"><a href="QuEST__cpu_8c.html#a939897137596bb73ad7a028d0beaaa10">densmatr_calcHilbertSchmidtDistanceSquaredLocal</a></div><div class="ttdeci">qreal densmatr_calcHilbertSchmidtDistanceSquaredLocal(Qureg a, Qureg b)</div><div class="ttdoc">computes Tr((a-b) conjTrans(a-b)) = sum of abs values of (a-b)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00923">QuEST_cpu.c:923</a></div></div>
<div class="ttc" id="astructQuESTEnv_html_aa648bb336cf8598467cb62db00b9cee8"><div class="ttname"><a href="structQuESTEnv.html#aa648bb336cf8598467cb62db00b9cee8">QuESTEnv::rank</a></div><div class="ttdeci">int rank</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00244">QuEST.h:244</a></div></div>
<div class="ttc" id="astructDiagonalOp_html_ada3bffa8e414f883e415dd74e46cd879"><div class="ttname"><a href="structDiagonalOp.html#ada3bffa8e414f883e415dd74e46cd879">DiagonalOp::numChunks</a></div><div class="ttdeci">int numChunks</div><div class="ttdoc">The number of nodes between which the elements of this operator are split.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00185">QuEST.h:185</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab58d6d599c7a729255b1f8eeded663f3"><div class="ttname"><a href="QuEST__cpu_8c.html#ab58d6d599c7a729255b1f8eeded663f3">agnostic_setDiagonalOpElems</a></div><div class="ttdeci">void agnostic_setDiagonalOpElems(DiagonalOp op, long long int startInd, qreal *real, qreal *imag, long long int numElems)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03842">QuEST_cpu.c:3842</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a20a155f53efc45c16803d7539c2c199d"><div class="ttname"><a href="QuEST__cpu_8c.html#a20a155f53efc45c16803d7539c2c199d">densmatr_initClassicalState</a></div><div class="ttdeci">void densmatr_initClassicalState(Qureg qureg, long long int stateInd)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01115">QuEST_cpu.c:1115</a></div></div>
<div class="ttc" id="astructQureg_html_aba97773694870ef35e378c036f486bb7"><div class="ttname"><a href="structQureg.html#aba97773694870ef35e378c036f486bb7">Qureg::pairStateVec</a></div><div class="ttdeci">ComplexArray pairStateVec</div><div class="ttdoc">Temporary storage for a chunk of the state vector received from another process in the MPI version.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00224">QuEST.h:224</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ad9fd3017ea40cf63fd04b39e03494972"><div class="ttname"><a href="QuEST__cpu_8c.html#ad9fd3017ea40cf63fd04b39e03494972">statevec_initDebugState</a></div><div class="ttdeci">void statevec_initDebugState(Qureg qureg)</div><div class="ttdoc">Initialise the state vector of probability amplitudes to an (unphysical) state with each component of...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01591">QuEST_cpu.c:1591</a></div></div>
<div class="ttc" id="aQuEST__internal_8h_html"><div class="ttname"><a href="QuEST__internal_8h.html">QuEST_internal.h</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a430d98e35f1eae7f0815ac539057cf67"><div class="ttname"><a href="QuEST__cpu_8c.html#a430d98e35f1eae7f0815ac539057cf67">statevec_findProbabilityOfZeroDistributed</a></div><div class="ttdeci">qreal statevec_findProbabilityOfZeroDistributed(Qureg qureg)</div><div class="ttdoc">Measure the probability of a specified qubit being in the zero state across all amplitudes held in th...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03262">QuEST_cpu.c:3262</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a88670d0e7cebe33f61c1dd98daa338b3"><div class="ttname"><a href="QuEST__cpu_8c.html#a88670d0e7cebe33f61c1dd98daa338b3">densmatr_mixDepolarisingDistributed</a></div><div class="ttdeci">void densmatr_mixDepolarisingDistributed(Qureg qureg, int targetQubit, qreal depolLevel)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00224">QuEST_cpu.c:224</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_acabdfbd3184d3ab3bded61e24142b800"><div class="ttname"><a href="QuEST__cpu_8c.html#acabdfbd3184d3ab3bded61e24142b800">densmatr_mixTwoQubitDepolarisingQ1LocalQ2DistributedPart3</a></div><div class="ttdeci">void densmatr_mixTwoQubitDepolarisingQ1LocalQ2DistributedPart3(Qureg qureg, int targetQubit, int qubit2, qreal delta, qreal gamma)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00632">QuEST_cpu.c:632</a></div></div>
<div class="ttc" id="aQuEST_8h_html"><div class="ttname"><a href="QuEST_8h.html">QuEST.h</a></div></div>
<div class="ttc" id="astructQureg_html_aa3deb7163aab90a61e755a1f200f5413"><div class="ttname"><a href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">Qureg::numChunks</a></div><div class="ttdeci">int numChunks</div><div class="ttdoc">Number of chunks the state vector is broken up into – the number of MPI processes used.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00219">QuEST.h:219</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab5b51a28caa8792a3f0c637409a694b0"><div class="ttname"><a href="QuEST__cpu_8c.html#ab5b51a28caa8792a3f0c637409a694b0">statevec_swapQubitAmpsLocal</a></div><div class="ttdeci">void statevec_swapQubitAmpsLocal(Qureg qureg, int qb1, int qb2)</div><div class="ttdoc">It is ensured that all amplitudes needing to be swapped are on this node.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03536">QuEST_cpu.c:3536</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a37e522505286f17fe6ef74b9f607a5c6"><div class="ttname"><a href="QuEST__cpu_8c.html#a37e522505286f17fe6ef74b9f607a5c6">getBitMaskParity</a></div><div class="ttdeci">int getBitMaskParity(long long int mask)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03100">QuEST_cpu.c:3100</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab58fe4be895283c2c4eb86ec9af5682e"><div class="ttname"><a href="QuEST__cpu_8c.html#ab58fe4be895283c2c4eb86ec9af5682e">statevec_multiControlledUnitaryDistributed</a></div><div class="ttdeci">void statevec_multiControlledUnitaryDistributed(Qureg qureg, int targetQubit, long long int ctrlQubitsMask, long long int ctrlFlipMask, Complex rot1, Complex rot2, ComplexArray stateVecUp, ComplexArray stateVecLo, ComplexArray stateVecOut)</div><div class="ttdoc">Apply a unitary operation to a single qubit in the state vector of probability amplitudes,...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02447">QuEST_cpu.c:2447</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a57368529b2a7e76fec423cbfe9980b22"><div class="ttname"><a href="QuEST__cpu_8c.html#a57368529b2a7e76fec423cbfe9980b22">statevec_controlledUnitaryDistributed</a></div><div class="ttdeci">void statevec_controlledUnitaryDistributed(Qureg qureg, int controlQubit, Complex rot1, Complex rot2, ComplexArray stateVecUp, ComplexArray stateVecLo, ComplexArray stateVecOut)</div><div class="ttdoc">Rotate a single qubit in the state vector of probability amplitudes, given two complex numbers alpha ...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02381">QuEST_cpu.c:2381</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab02bce0ebbb8f624e8ced8b09b99cdef"><div class="ttname"><a href="QuEST__cpu_8c.html#ab02bce0ebbb8f624e8ced8b09b99cdef">statevec_collapseToKnownProbOutcomeLocal</a></div><div class="ttdeci">void statevec_collapseToKnownProbOutcomeLocal(Qureg qureg, int measureQubit, int outcome, qreal totalProbability)</div><div class="ttdoc">Update the state vector to be consistent with measuring measureQubit=0 if outcome=0 and measureQubit=...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03380">QuEST_cpu.c:3380</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aa4b77089145184d990848cd66993aa8b"><div class="ttname"><a href="QuEST__cpu_8c.html#aa4b77089145184d990848cd66993aa8b">statevec_cloneQureg</a></div><div class="ttdeci">void statevec_cloneQureg(Qureg targetQureg, Qureg copyQureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01506">QuEST_cpu.c:1506</a></div></div>
<div class="ttc" id="astructDiagonalOp_html_aa91713a22c95a383bba55e56c4a4e37a"><div class="ttname"><a href="structDiagonalOp.html#aa91713a22c95a383bba55e56c4a4e37a">DiagonalOp::chunkId</a></div><div class="ttdeci">int chunkId</div><div class="ttdoc">The position of the chunk of the operator held by this process in the full operator.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00187">QuEST.h:187</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aa121d55f2ca09c06a96ddcd433c60b0f"><div class="ttname"><a href="QuEST__cpu_8c.html#aa121d55f2ca09c06a96ddcd433c60b0f">statevec_setAmps</a></div><div class="ttdeci">void statevec_setAmps(Qureg qureg, long long int startInd, qreal *reals, qreal *imags, long long int numAmps)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01237">QuEST_cpu.c:1237</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a5ddfdb22e4704b680d67d08d9e80835b"><div class="ttname"><a href="QuEST__cpu_8c.html#a5ddfdb22e4704b680d67d08d9e80835b">statevec_compactUnitaryLocal</a></div><div class="ttdeci">void statevec_compactUnitaryLocal(Qureg qureg, int targetQubit, Complex alpha, Complex beta)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01688">QuEST_cpu.c:1688</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_af910c7cf2b85bdc2c399cfe8dbfb8b9c"><div class="ttname"><a href="QuEST__cpu_8c.html#af910c7cf2b85bdc2c399cfe8dbfb8b9c">densmatr_calcPurityLocal</a></div><div class="ttdeci">qreal densmatr_calcPurityLocal(Qureg qureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00861">QuEST_cpu.c:861</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a16ccb485bcffb328bbd5b2af6977cead"><div class="ttname"><a href="QuEST__cpu_8c.html#a16ccb485bcffb328bbd5b2af6977cead">statevec_calcExpecDiagonalOpLocal</a></div><div class="ttdeci">Complex statevec_calcExpecDiagonalOpLocal(Qureg qureg, DiagonalOp op)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03738">QuEST_cpu.c:3738</a></div></div>
<div class="ttc" id="astructComplexMatrix4_html"><div class="ttname"><a href="structComplexMatrix4.html">ComplexMatrix4</a></div><div class="ttdoc">Represents a 4x4 matrix of complex numbers.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00125">QuEST.h:125</a></div></div>
<div class="ttc" id="astructQuESTEnv_html"><div class="ttname"><a href="structQuESTEnv.html">QuESTEnv</a></div><div class="ttdoc">Information about the environment the program is running in.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00242">QuEST.h:242</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a0aedcccfa50c7aaa8b7fc4c14d7cdfb8"><div class="ttname"><a href="QuEST__cpu_8c.html#a0aedcccfa50c7aaa8b7fc4c14d7cdfb8">statevec_multiControlledMultiQubitUnitaryLocal</a></div><div class="ttdeci">void statevec_multiControlledMultiQubitUnitaryLocal(Qureg qureg, long long int ctrlMask, int *targs, int numTargs, ComplexMatrixN u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01846">QuEST_cpu.c:1846</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a758bad4237ff0bf3b4ff5be626a982ae"><div class="ttname"><a href="QuEST__cpu_8c.html#a758bad4237ff0bf3b4ff5be626a982ae">statevec_initBlankState</a></div><div class="ttdeci">void statevec_initBlankState(Qureg qureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01398">QuEST_cpu.c:1398</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_af8236a00389137b5eff986a40577eaf3"><div class="ttname"><a href="QuEST__cpu_8c.html#af8236a00389137b5eff986a40577eaf3">statevec_multiControlledTwoQubitUnitaryLocal</a></div><div class="ttdeci">void statevec_multiControlledTwoQubitUnitaryLocal(Qureg qureg, long long int ctrlMask, int q1, int q2, ComplexMatrix4 u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01747">QuEST_cpu.c:1747</a></div></div>
<div class="ttc" id="astructComplexMatrixN_html"><div class="ttname"><a href="structComplexMatrixN.html">ComplexMatrixN</a></div><div class="ttdoc">Represents a general 2^N by 2^N matrix of complex numbers.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00136">QuEST.h:136</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a288dc4b46bdacd69cbf4a6fd070d26a7"><div class="ttname"><a href="QuEST__cpu_8c.html#a288dc4b46bdacd69cbf4a6fd070d26a7">statevec_initClassicalState</a></div><div class="ttdeci">void statevec_initClassicalState(Qureg qureg, long long int stateInd)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01470">QuEST_cpu.c:1470</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a464efbd1d7ca5a7b25c83ada001955c2"><div class="ttname"><a href="QuEST__cpu_8c.html#a464efbd1d7ca5a7b25c83ada001955c2">statevec_pauliXDistributed</a></div><div class="ttdeci">void statevec_pauliXDistributed(Qureg qureg, ComplexArray stateVecIn, ComplexArray stateVecOut)</div><div class="ttdoc">Rotate a single qubit by {{0,1},{1,0}.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02556">QuEST_cpu.c:2556</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aa31f0ef43a921c3ac73545d1d3670fa1"><div class="ttname"><a href="QuEST__cpu_8c.html#aa31f0ef43a921c3ac73545d1d3670fa1">densmatr_mixDephasing</a></div><div class="ttdeci">void densmatr_mixDephasing(Qureg qureg, int targetQubit, qreal dephase)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00079">QuEST_cpu.c:79</a></div></div>
<div class="ttc" id="amt19937ar_8h_html"><div class="ttname"><a href="mt19937ar_8h.html">mt19937ar.h</a></div></div>
<div class="ttc" id="agroup__type_html_ga7740e349b4f8bae6451547680f0ce2d6"><div class="ttname"><a href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a></div><div class="ttdeci">#define qreal</div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_af798bb01f922804016c4c5bc8d0a580f"><div class="ttname"><a href="QuEST__cpu_8c.html#af798bb01f922804016c4c5bc8d0a580f">agnostic_destroyDiagonalOp</a></div><div class="ttdeci">void agnostic_destroyDiagonalOp(DiagonalOp op)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01357">QuEST_cpu.c:1357</a></div></div>
<div class="ttc" id="aQuEST__gpu_8cu_html_ae1b7788cf504ec3d79de3855f97929c7"><div class="ttname"><a href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a></div><div class="ttdeci">__forceinline__ __device__ long long int flipBit(const long long int number, const int bitInd)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__gpu_8cu_source.html#l00095">QuEST_gpu.cu:95</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aa662796ea6e0f471143c53becae8c12c"><div class="ttname"><a href="QuEST__cpu_8c.html#aa662796ea6e0f471143c53becae8c12c">statevec_multiControlledPhaseShift</a></div><div class="ttdeci">void statevec_multiControlledPhaseShift(Qureg qureg, int *controlQubits, int numControlQubits, qreal angle)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03059">QuEST_cpu.c:3059</a></div></div>
<div class="ttc" id="astructQureg_html_a0a86e8a50ea8c998b4a0a6640c5a1218"><div class="ttname"><a href="structQureg.html#a0a86e8a50ea8c998b4a0a6640c5a1218">Qureg::numQubitsInStateVec</a></div><div class="ttdeci">int numQubitsInStateVec</div><div class="ttdoc">Number of qubits in the state-vector - this is double the number represented for mixed states.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00210">QuEST.h:210</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a7ea68e9132ed9db9c242353a33dba2f0"><div class="ttname"><a href="QuEST__cpu_8c.html#a7ea68e9132ed9db9c242353a33dba2f0">statevec_collapseToOutcomeDistributedSetZero</a></div><div class="ttdeci">void statevec_collapseToOutcomeDistributedSetZero(Qureg qureg)</div><div class="ttdoc">Set all amplitudes in one chunk to 0.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03501">QuEST_cpu.c:3501</a></div></div>
<div class="ttc" id="astructQureg_html_ac2929e681d3d95591c18cf168dbbe4f0"><div class="ttname"><a href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">Qureg::chunkId</a></div><div class="ttdeci">int chunkId</div><div class="ttdoc">The position of the chunk of the state vector held by this process in the full state vector.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00217">QuEST.h:217</a></div></div>
<div class="ttc" id="astructComplexMatrix2_html_a3a2b60a9e00ccef054a6de3b9307c1be"><div class="ttname"><a href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">ComplexMatrix2::imag</a></div><div class="ttdeci">qreal imag[2][2]</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00117">QuEST.h:117</a></div></div>
<div class="ttc" id="aQuEST__cpu__internal_8h_html"><div class="ttname"><a href="QuEST__cpu__internal_8h.html">QuEST_cpu_internal.h</a></div></div>
<div class="ttc" id="aQuEST__gpu_8cu_html_a5c6f1b2c71f43e57de4a1f818ddfbfd0"><div class="ttname"><a href="QuEST__gpu_8cu.html#a5c6f1b2c71f43e57de4a1f818ddfbfd0">insertZeroBit</a></div><div class="ttdeci">__forceinline__ __device__ long long int insertZeroBit(const long long int number, const int index)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__gpu_8cu_source.html#l00099">QuEST_gpu.cu:99</a></div></div>
<div class="ttc" id="astructDiagonalOp_html_a85c3f52533efe831bbe40b9a48602388"><div class="ttname"><a href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">DiagonalOp::imag</a></div><div class="ttdeci">qreal * imag</div><div class="ttdoc">The imaginary values of the 2^numQubits complex elements.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00191">QuEST.h:191</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aaf78491e35d165edfd57387f9fffecbd"><div class="ttname"><a href="QuEST__cpu_8c.html#aaf78491e35d165edfd57387f9fffecbd">statevec_controlledPhaseFlip</a></div><div class="ttdeci">void statevec_controlledPhaseFlip(Qureg qureg, int idQubit1, int idQubit2)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03300">QuEST_cpu.c:3300</a></div></div>
<div class="ttc" id="astructQureg_html_ab0ea0358482b62f43fdd781469607d97"><div class="ttname"><a href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">Qureg::numAmpsPerChunk</a></div><div class="ttdeci">long long int numAmpsPerChunk</div><div class="ttdoc">Number of probability amplitudes held in stateVec by this process In the non-MPI version,...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00213">QuEST.h:213</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a3510f01d4d15dcc545564eb84c668cad"><div class="ttname"><a href="QuEST__cpu_8c.html#a3510f01d4d15dcc545564eb84c668cad">densmatr_mixTwoQubitDepolarisingLocal</a></div><div class="ttdeci">void densmatr_mixTwoQubitDepolarisingLocal(Qureg qureg, int qubit1, int qubit2, qreal delta, qreal gamma)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00387">QuEST_cpu.c:387</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a2ca0c6ba07ab2b4b437321bf17efc966"><div class="ttname"><a href="QuEST__cpu_8c.html#a2ca0c6ba07ab2b4b437321bf17efc966">statevec_initZeroState</a></div><div class="ttdeci">void statevec_initZeroState(Qureg qureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01428">QuEST_cpu.c:1428</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a482fc361fd5f08075404c72e536316a0"><div class="ttname"><a href="QuEST__cpu_8c.html#a482fc361fd5f08075404c72e536316a0">statevec_initPlusState</a></div><div class="ttdeci">void statevec_initPlusState(Qureg qureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01438">QuEST_cpu.c:1438</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a365bbb1b80cb00405c8bf1a4fa1ea8e5"><div class="ttname"><a href="QuEST__cpu_8c.html#a365bbb1b80cb00405c8bf1a4fa1ea8e5">statevec_createQureg</a></div><div class="ttdeci">void statevec_createQureg(Qureg *qureg, int numQubits, QuESTEnv env)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01279">QuEST_cpu.c:1279</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a06fb16aa4af7c54d36052a14d3ad58a7"><div class="ttname"><a href="QuEST__cpu_8c.html#a06fb16aa4af7c54d36052a14d3ad58a7">statevec_controlledPauliYLocal</a></div><div class="ttdeci">void statevec_controlledPauliYLocal(Qureg qureg, int controlQubit, int targetQubit, int conjFac)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02776">QuEST_cpu.c:2776</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a717a0448066831cb5b392bcf2e1d0529"><div class="ttname"><a href="QuEST__cpu_8c.html#a717a0448066831cb5b392bcf2e1d0529">densmatr_oneQubitDegradeOffDiagonal</a></div><div class="ttdeci">void densmatr_oneQubitDegradeOffDiagonal(Qureg qureg, int targetQubit, qreal retain)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00048">QuEST_cpu.c:48</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a8adaba9dbdad6f7ab41ae4b8db0abefe"><div class="ttname"><a href="QuEST__cpu_8c.html#a8adaba9dbdad6f7ab41ae4b8db0abefe">densmatr_mixDensityMatrix</a></div><div class="ttdeci">void densmatr_mixDensityMatrix(Qureg combineQureg, qreal otherProb, Qureg otherQureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00890">QuEST_cpu.c:890</a></div></div>
<div class="ttc" id="agroup__debug_html_ga11448560006dd165128e404b54ebb2f7"><div class="ttname"><a href="group__debug.html#ga11448560006dd165128e404b54ebb2f7">copyStateToGPU</a></div><div class="ttdeci">void copyStateToGPU(Qureg qureg)</div><div class="ttdoc">In GPU mode, this copies the state-vector (or density matrix) from RAM (qureg.stateVec) to VRAM / GPU...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00036">QuEST_cpu.c:36</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a0abdff5f6065f9d57065345e6d90fc94"><div class="ttname"><a href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a></div><div class="ttdeci">void alternateNormZeroingSomeAmpBlocks(Qureg qureg, qreal norm, int normFirst, long long int startAmpInd, long long int numAmps, long long int blockSize)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00754">QuEST_cpu.c:754</a></div></div>
<div class="ttc" id="astructQuESTEnv_html_af22aacd7c9905accae28484785c193b4"><div class="ttname"><a href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">QuESTEnv::numRanks</a></div><div class="ttdeci">int numRanks</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00245">QuEST.h:245</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a0a7a35628b1c1eb47336deb9afda5b68"><div class="ttname"><a href="QuEST__cpu_8c.html#a0a7a35628b1c1eb47336deb9afda5b68">statevec_compactUnitaryDistributed</a></div><div class="ttdeci">void statevec_compactUnitaryDistributed(Qureg qureg, Complex rot1, Complex rot2, ComplexArray stateVecUp, ComplexArray stateVecLo, ComplexArray stateVecOut)</div><div class="ttdoc">Rotate a single qubit in the state vector of probability amplitudes, given two complex numbers alpha ...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02001">QuEST_cpu.c:2001</a></div></div>
<div class="ttc" id="astructComplexMatrix4_html_a1f6bb840b5a9e6252980cab7a14f1a35"><div class="ttname"><a href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">ComplexMatrix4::imag</a></div><div class="ttdeci">qreal imag[4][4]</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00128">QuEST.h:128</a></div></div>
<div class="ttc" id="astructDiagonalOp_html_a5131eeb67aafb4c19ac98270c3266742"><div class="ttname"><a href="structDiagonalOp.html#a5131eeb67aafb4c19ac98270c3266742">DiagonalOp::numQubits</a></div><div class="ttdeci">int numQubits</div><div class="ttdoc">The number of qubits this operator can act on (informing its size)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00181">QuEST.h:181</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab19f28e68330da68ea3caa2bdef32da9"><div class="ttname"><a href="QuEST__cpu_8c.html#ab19f28e68330da68ea3caa2bdef32da9">statevec_multiControlledUnitaryLocal</a></div><div class="ttdeci">void statevec_multiControlledUnitaryLocal(Qureg qureg, int targetQubit, long long int ctrlQubitsMask, long long int ctrlFlipMask, ComplexMatrix2 u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02173">QuEST_cpu.c:2173</a></div></div>
<div class="ttc" id="aQuEST__common_8c_html_acc45bb8300922ea5933e294921e25ea2"><div class="ttname"><a href="QuEST__common_8c.html#acc45bb8300922ea5933e294921e25ea2">getQubitBitMask</a></div><div class="ttdeci">long long int getQubitBitMask(int *qubits, int numQubits)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__common_8c_source.html#l00044">QuEST_common.c:44</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a031a99b7e97779f3dc782feffe86e779"><div class="ttname"><a href="QuEST__cpu_8c.html#a031a99b7e97779f3dc782feffe86e779">normaliseSomeAmps</a></div><div class="ttdeci">void normaliseSomeAmps(Qureg qureg, qreal norm, long long int startInd, long long int numAmps)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00744">QuEST_cpu.c:744</a></div></div>
<div class="ttc" id="astructDiagonalOp_html"><div class="ttname"><a href="structDiagonalOp.html">DiagonalOp</a></div><div class="ttdoc">Represents a diagonal complex operator on the full Hilbert state of a Qureg.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00178">QuEST.h:178</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a0f562af6cb665a8a7a3f80e9449734d5"><div class="ttname"><a href="QuEST__cpu_8c.html#a0f562af6cb665a8a7a3f80e9449734d5">statevec_pauliYDistributed</a></div><div class="ttdeci">void statevec_pauliYDistributed(Qureg qureg, ComplexArray stateVecIn, ComplexArray stateVecOut, int updateUpper, int conjFac)</div><div class="ttdoc">Rotate a single qubit by +-{{0,-i},{i,0}.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02739">QuEST_cpu.c:2739</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a6870e335f2a78b724f603cd9f820b9ab"><div class="ttname"><a href="QuEST__cpu_8c.html#a6870e335f2a78b724f603cd9f820b9ab">statevec_getEnvironmentString</a></div><div class="ttdeci">void statevec_getEnvironmentString(QuESTEnv env, Qureg qureg, char str[200])</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01390">QuEST_cpu.c:1390</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a8d9c19a3424f0ad89bfbfd920d65301d"><div class="ttname"><a href="QuEST__cpu_8c.html#a8d9c19a3424f0ad89bfbfd920d65301d">densmatr_mixDampingDistributed</a></div><div class="ttdeci">void densmatr_mixDampingDistributed(Qureg qureg, int targetQubit, qreal damping)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00300">QuEST_cpu.c:300</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aeb4453a2e609e5359d2995bccf6663ca"><div class="ttname"><a href="QuEST__cpu_8c.html#aeb4453a2e609e5359d2995bccf6663ca">densmatr_calcExpecDiagonalOpLocal</a></div><div class="ttdeci">Complex densmatr_calcExpecDiagonalOpLocal(Qureg qureg, DiagonalOp op)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03781">QuEST_cpu.c:3781</a></div></div>
<div class="ttc" id="astructComplexMatrixN_html_a446e8a077597e4f76049d547df0c9738"><div class="ttname"><a href="structComplexMatrixN.html#a446e8a077597e4f76049d547df0c9738">ComplexMatrixN::real</a></div><div class="ttdeci">qreal ** real</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00139">QuEST.h:139</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aa987d1e0ba97da2ca540194356dd62de"><div class="ttname"><a href="QuEST__cpu_8c.html#aa987d1e0ba97da2ca540194356dd62de">statevec_pauliXLocal</a></div><div class="ttdeci">void statevec_pauliXLocal(Qureg qureg, int targetQubit)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02498">QuEST_cpu.c:2498</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a1e8f917ab42d38d8c37ba6816b24f2f5"><div class="ttname"><a href="QuEST__cpu_8c.html#a1e8f917ab42d38d8c37ba6816b24f2f5">agnostic_syncDiagonalOp</a></div><div class="ttdeci">void agnostic_syncDiagonalOp(DiagonalOp op)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01362">QuEST_cpu.c:1362</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a1b36518c8fbbc3a5084bb4ad1fb05ea5"><div class="ttname"><a href="QuEST__cpu_8c.html#a1b36518c8fbbc3a5084bb4ad1fb05ea5">densmatr_initPureStateLocal</a></div><div class="ttdeci">void densmatr_initPureStateLocal(Qureg targetQureg, Qureg copyQureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01184">QuEST_cpu.c:1184</a></div></div>
<div class="ttc" id="aQuEST__gpu_8cu_html_aec1852e1a8e70d3690919ce8ab551ba0"><div class="ttname"><a href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a></div><div class="ttdeci">__forceinline__ __device__ int extractBit(const int locationOfBitFromRight, const long long int theEncodedNumber)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__gpu_8cu_source.html#l00082">QuEST_gpu.cu:82</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab124a3a9956046bf9c0e1e3ae9171f42"><div class="ttname"><a href="QuEST__cpu_8c.html#ab124a3a9956046bf9c0e1e3ae9171f42">densmatr_mixDampingLocal</a></div><div class="ttdeci">void densmatr_mixDampingLocal(Qureg qureg, int targetQubit, qreal damping)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00174">QuEST_cpu.c:174</a></div></div>
<div class="ttc" id="astructQureg_html"><div class="ttname"><a href="structQureg.html">Qureg</a></div><div class="ttdoc">Represents a system of qubits.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00203">QuEST.h:203</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a08392b1b27d10e3b8a8648a5afeaa629"><div class="ttname"><a href="QuEST__cpu_8c.html#a08392b1b27d10e3b8a8648a5afeaa629">densmatr_calcInnerProductLocal</a></div><div class="ttdeci">qreal densmatr_calcInnerProductLocal(Qureg a, Qureg b)</div><div class="ttdoc">computes Tr(conjTrans(a) b) = sum of (a_ij^* b_ij)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00958">QuEST_cpu.c:958</a></div></div>
<div class="ttc" id="aQuEST__gpu_8cu_html_a4760109974e9b52c60e9d60ccded3138"><div class="ttname"><a href="QuEST__gpu_8cu.html#a4760109974e9b52c60e9d60ccded3138">insertTwoZeroBits</a></div><div class="ttdeci">__forceinline__ __device__ long long int insertTwoZeroBits(const long long int number, const int bit1, const int bit2)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__gpu_8cu_source.html#l00106">QuEST_gpu.cu:106</a></div></div>
<div class="ttc" id="astructComplexMatrixN_html_afde13e469a3b4f179f45e53d1ec0a7cf"><div class="ttname"><a href="structComplexMatrixN.html#afde13e469a3b4f179f45e53d1ec0a7cf">ComplexMatrixN::imag</a></div><div class="ttdeci">qreal ** imag</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00140">QuEST.h:140</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a0ce2c2fd54df25495e99dc5b95bed4b2"><div class="ttname"><a href="QuEST__cpu_8c.html#a0ce2c2fd54df25495e99dc5b95bed4b2">statevec_unitaryDistributed</a></div><div class="ttdeci">void statevec_unitaryDistributed(Qureg qureg, Complex rot1, Complex rot2, ComplexArray stateVecUp, ComplexArray stateVecLo, ComplexArray stateVecOut)</div><div class="ttdoc">Apply a unitary operation to a single qubit given a subset of the state vector with upper and lower b...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02056">QuEST_cpu.c:2056</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a071baf8b6951d2a7d6529394b6f39364"><div class="ttname"><a href="QuEST__cpu_8c.html#a071baf8b6951d2a7d6529394b6f39364">statevec_controlledCompactUnitaryDistributed</a></div><div class="ttdeci">void statevec_controlledCompactUnitaryDistributed(Qureg qureg, int controlQubit, Complex rot1, Complex rot2, ComplexArray stateVecUp, ComplexArray stateVecLo, ComplexArray stateVecOut)</div><div class="ttdoc">Rotate a single qubit in the state vector of probability amplitudes, given two complex numbers alpha ...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02319">QuEST_cpu.c:2319</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ae6cecbad32a03416138b321cdc1a2c33"><div class="ttname"><a href="QuEST__cpu_8c.html#ae6cecbad32a03416138b321cdc1a2c33">statevec_compareStates</a></div><div class="ttdeci">int statevec_compareStates(Qureg mq1, Qureg mq2, qreal precision)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01675">QuEST_cpu.c:1675</a></div></div>
<div class="ttc" id="aQuEST__precision_8h_html"><div class="ttname"><a href="QuEST__precision_8h.html">QuEST_precision.h</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ac4ee5979d475e8c729294b8ef7e0270d"><div class="ttname"><a href="QuEST__cpu_8c.html#ac4ee5979d475e8c729294b8ef7e0270d">statevec_multiControlledPhaseFlip</a></div><div class="ttdeci">void statevec_multiControlledPhaseFlip(Qureg qureg, int *controlQubits, int numControlQubits)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03331">QuEST_cpu.c:3331</a></div></div>
<div class="ttc" id="astructQureg_html_a441e4cacef6bd17adb9813c7442d42fe"><div class="ttname"><a href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">Qureg::stateVec</a></div><div class="ttdeci">ComplexArray stateVec</div><div class="ttdoc">Computational state amplitudes - a subset thereof in the MPI version.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00222">QuEST.h:222</a></div></div>
<div class="ttc" id="astructComplexMatrix2_html_a3ea98d545b67a190ee6abe936c72076f"><div class="ttname"><a href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">ComplexMatrix2::real</a></div><div class="ttdeci">qreal real[2][2]</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00116">QuEST.h:116</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab750fb47da2fca9849c678c869e40e69"><div class="ttname"><a href="QuEST__cpu_8c.html#ab750fb47da2fca9849c678c869e40e69">densmatr_mixDepolarisingLocal</a></div><div class="ttdeci">void densmatr_mixDepolarisingLocal(Qureg qureg, int targetQubit, qreal depolLevel)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00125">QuEST_cpu.c:125</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ad09bb76ad67581b03ab176832cca37cf"><div class="ttname"><a href="QuEST__cpu_8c.html#ad09bb76ad67581b03ab176832cca37cf">statevec_collapseToKnownProbOutcomeDistributedRenorm</a></div><div class="ttdeci">void statevec_collapseToKnownProbOutcomeDistributedRenorm(Qureg qureg, int measureQubit, qreal totalProbability)</div><div class="ttdoc">Renormalise parts of the state vector where measureQubit=0 or 1, based on the total probability of th...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03462">QuEST_cpu.c:3462</a></div></div>
<div class="ttc" id="astructDiagonalOp_html_a2c6eab631ef48b4978db026c98180eee"><div class="ttname"><a href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">DiagonalOp::numElemsPerChunk</a></div><div class="ttdeci">long long int numElemsPerChunk</div><div class="ttdoc">The number of the 2^numQubits amplitudes stored on each distributed node.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00183">QuEST.h:183</a></div></div>
<div class="ttc" id="astructQureg_html_acf78445e9435d09f44f0cc832c6aee79"><div class="ttname"><a href="structQureg.html#acf78445e9435d09f44f0cc832c6aee79">Qureg::isDensityMatrix</a></div><div class="ttdeci">int isDensityMatrix</div><div class="ttdoc">Whether this instance is a density-state representation.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00206">QuEST.h:206</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a86dbcc3db99294add9964741e19fbdab"><div class="ttname"><a href="QuEST__cpu_8c.html#a86dbcc3db99294add9964741e19fbdab">statevec_hadamardLocal</a></div><div class="ttdeci">void statevec_hadamardLocal(Qureg qureg, int targetQubit)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02872">QuEST_cpu.c:2872</a></div></div>
<div class="ttc" id="astructComplexMatrixN_html_a606f7afbc3f65a596bdca21cb43be6a8"><div class="ttname"><a href="structComplexMatrixN.html#a606f7afbc3f65a596bdca21cb43be6a8">ComplexMatrixN::numQubits</a></div><div class="ttdeci">int numQubits</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00138">QuEST.h:138</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_afa58cf7cb98a25ab33621120c5c330d0"><div class="ttname"><a href="QuEST__cpu_8c.html#afa58cf7cb98a25ab33621120c5c330d0">densmatr_applyDiagonalOpLocal</a></div><div class="ttdeci">void densmatr_applyDiagonalOpLocal(Qureg qureg, DiagonalOp op)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03696">QuEST_cpu.c:3696</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a903beb4f5d8753a964ce2dc5f9096a24"><div class="ttname"><a href="QuEST__cpu_8c.html#a903beb4f5d8753a964ce2dc5f9096a24">statevec_controlledUnitaryLocal</a></div><div class="ttdeci">void statevec_controlledUnitaryLocal(Qureg qureg, int controlQubit, int targetQubit, ComplexMatrix2 u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02241">QuEST_cpu.c:2241</a></div></div>
<div class="ttc" id="aQuEST__cpu__internal_8h_html_a0e4eb651e7cb309bcd664b89ac9a2242"><div class="ttname"><a href="QuEST__cpu__internal_8h.html#a0e4eb651e7cb309bcd664b89ac9a2242">isOddParity</a></div><div class="ttdeci">static int isOddParity(const long long int number, const int qb1, const int qb2)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu__internal_8h_source.html#l00038">QuEST_cpu_internal.h:38</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a8a639c31701d989a5db7aa1f6b13db60"><div class="ttname"><a href="QuEST__cpu_8c.html#a8a639c31701d989a5db7aa1f6b13db60">densmatr_collapseToKnownProbOutcome</a></div><div class="ttdeci">void densmatr_collapseToKnownProbOutcome(Qureg qureg, int measureQubit, int outcome, qreal totalStateProb)</div><div class="ttdoc">Renorms (/prob) every | * outcome * &gt;&lt; * outcome * | state, setting all others to zero.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00785">QuEST_cpu.c:785</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a2a52ad9f9ad9b2fd6a76f6d433b3b217"><div class="ttname"><a href="QuEST__cpu_8c.html#a2a52ad9f9ad9b2fd6a76f6d433b3b217">statevec_destroyQureg</a></div><div class="ttdeci">void statevec_destroyQureg(Qureg qureg, QuESTEnv env)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01317">QuEST_cpu.c:1317</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ae90f82418e0aa67218d733dbbc681998"><div class="ttname"><a href="QuEST__cpu_8c.html#ae90f82418e0aa67218d733dbbc681998">densmatr_mixTwoQubitDepolarisingLocalPart1</a></div><div class="ttdeci">void densmatr_mixTwoQubitDepolarisingLocalPart1(Qureg qureg, int qubit1, int qubit2, qreal delta)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00488">QuEST_cpu.c:488</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a8d88b4ed94ab024e5e7b2f1f4f505b44"><div class="ttname"><a href="QuEST__cpu_8c.html#a8d88b4ed94ab024e5e7b2f1f4f505b44">statevec_multiRotateZ</a></div><div class="ttdeci">void statevec_multiRotateZ(Qureg qureg, long long int mask, qreal angle)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03109">QuEST_cpu.c:3109</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a393da4c4bc582a757ca8406d8501aca0"><div class="ttname"><a href="QuEST__cpu_8c.html#a393da4c4bc582a757ca8406d8501aca0">statevec_controlledNotDistributed</a></div><div class="ttdeci">void statevec_controlledNotDistributed(Qureg qureg, int controlQubit, ComplexArray stateVecIn, ComplexArray stateVecOut)</div><div class="ttdoc">Rotate a single qubit by {{0,1},{1,0}.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02646">QuEST_cpu.c:2646</a></div></div>
<div class="ttc" id="astructQureg_html_ad08dff5316b8937f4b2a1417591543dc"><div class="ttname"><a href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">Qureg::numQubitsRepresented</a></div><div class="ttdeci">int numQubitsRepresented</div><div class="ttdoc">The number of qubits represented in either the state-vector or density matrix.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00208">QuEST.h:208</a></div></div>
<div class="ttc" id="astructQureg_html_adef4935cac95763c29164cf99b144ed4"><div class="ttname"><a href="structQureg.html#adef4935cac95763c29164cf99b144ed4">Qureg::numAmpsTotal</a></div><div class="ttdeci">long long int numAmpsTotal</div><div class="ttdoc">Total number of amplitudes, which are possibly distributed among machines.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00215">QuEST.h:215</a></div></div>
<div class="ttc" id="astructDiagonalOp_html_a1d66088bed235d524cd452b107694d5c"><div class="ttname"><a href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">DiagonalOp::real</a></div><div class="ttdeci">qreal * real</div><div class="ttdoc">The real values of the 2^numQubits complex elements.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00189">QuEST.h:189</a></div></div>
<div class="ttc" id="astructComplex_html_ab5b2e2eca02131fc74b289a83636cbe3"><div class="ttname"><a href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">Complex::real</a></div><div class="ttdeci">qreal real</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00105">QuEST.h:105</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_abe74a5a9db8340e37b80fbc77338894d"><div class="ttname"><a href="QuEST__cpu_8c.html#abe74a5a9db8340e37b80fbc77338894d">statevec_swapQubitAmpsDistributed</a></div><div class="ttdeci">void statevec_swapQubitAmpsDistributed(Qureg qureg, int pairRank, int qb1, int qb2)</div><div class="ttdoc">qureg.pairStateVec contains the entire set of amplitudes of the paired node which includes the set of...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03579">QuEST_cpu.c:3579</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a05756b45f10135bb2eeb07380f806c20"><div class="ttname"><a href="QuEST__cpu_8c.html#a05756b45f10135bb2eeb07380f806c20">statevec_initStateFromSingleFile</a></div><div class="ttdeci">int statevec_initStateFromSingleFile(Qureg *qureg, char filename[200], QuESTEnv env)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01625">QuEST_cpu.c:1625</a></div></div>
<div class="ttc" id="astructComplex_html_a84f5439aad0ef495efdd3b4c1c02d27e"><div class="ttname"><a href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">Complex::imag</a></div><div class="ttdeci">qreal imag</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00106">QuEST.h:106</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a2f76ec8f08e19bb8e1254aafb10e160e"><div class="ttname"><a href="QuEST__cpu_8c.html#a2f76ec8f08e19bb8e1254aafb10e160e">densmatr_mixTwoQubitDepolarisingDistributed</a></div><div class="ttdeci">void densmatr_mixTwoQubitDepolarisingDistributed(Qureg qureg, int targetQubit, int qubit2, qreal delta, qreal gamma)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00541">QuEST_cpu.c:541</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aafc398f8f479fcc066a2dea700235635"><div class="ttname"><a href="QuEST__cpu_8c.html#aafc398f8f479fcc066a2dea700235635">statevec_unitaryLocal</a></div><div class="ttdeci">void statevec_unitaryLocal(Qureg qureg, int targetQubit, ComplexMatrix2 u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01932">QuEST_cpu.c:1932</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a623e577b7230f3c8dc202be6185b4289"><div class="ttname"><a href="QuEST__cpu_8c.html#a623e577b7230f3c8dc202be6185b4289">densmatr_mixTwoQubitDephasing</a></div><div class="ttdeci">void densmatr_mixTwoQubitDephasing(Qureg qureg, int qubit1, int qubit2, qreal dephase)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00084">QuEST_cpu.c:84</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a8bea931504c90d9bd97e74645667804e"><div class="ttname"><a href="QuEST__cpu_8c.html#a8bea931504c90d9bd97e74645667804e">densmatr_findProbabilityOfZeroLocal</a></div><div class="ttdeci">qreal densmatr_findProbabilityOfZeroLocal(Qureg qureg, int measureQubit)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03151">QuEST_cpu.c:3151</a></div></div>
<div class="ttc" id="astructComplex_html"><div class="ttname"><a href="structComplex.html">Complex</a></div><div class="ttdoc">Represents one complex number.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00103">QuEST.h:103</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_abea6570b95fdfa102511ccd1fcb30685"><div class="ttname"><a href="QuEST__cpu_8c.html#abea6570b95fdfa102511ccd1fcb30685">statevec_hadamardDistributed</a></div><div class="ttdeci">void statevec_hadamardDistributed(Qureg qureg, ComplexArray stateVecUp, ComplexArray stateVecLo, ComplexArray stateVecOut, int updateUpper)</div><div class="ttdoc">Rotate a single qubit by {{1,1},{1,-1}}/sqrt2.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02932">QuEST_cpu.c:2932</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a1e57230c7995447039e62a84c0a36524"><div class="ttname"><a href="QuEST__cpu_8c.html#a1e57230c7995447039e62a84c0a36524">statevec_reportStateToScreen</a></div><div class="ttdeci">void statevec_reportStateToScreen(Qureg qureg, QuESTEnv env, int reportRank)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01366">QuEST_cpu.c:1366</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ad64a23933361fafc1b6b1787759c2663"><div class="ttname"><a href="QuEST__cpu_8c.html#ad64a23933361fafc1b6b1787759c2663">statevec_setWeightedQureg</a></div><div class="ttdeci">void statevec_setWeightedQureg(Complex fac1, Qureg qureg1, Complex fac2, Qureg qureg2, Complex facOut, Qureg out)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03619">QuEST_cpu.c:3619</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ad5b2ac0b00afa495f385520b2c5fa839"><div class="ttname"><a href="QuEST__cpu_8c.html#ad5b2ac0b00afa495f385520b2c5fa839">densmatr_initPlusState</a></div><div class="ttdeci">void densmatr_initPlusState(Qureg qureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01154">QuEST_cpu.c:1154</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a923906770cac0da9e3459bae58de9e64"><div class="ttname"><a href="QuEST__cpu_8c.html#a923906770cac0da9e3459bae58de9e64">statevec_initStateOfSingleQubit</a></div><div class="ttdeci">void statevec_initStateOfSingleQubit(Qureg *qureg, int qubitId, int outcome)</div><div class="ttdoc">Initialise the state vector of probability amplitudes such that one qubit is set to 'outcome' and all...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01545">QuEST_cpu.c:1545</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a790add229738945812ae2048c03d58ec"><div class="ttname"><a href="QuEST__cpu_8c.html#a790add229738945812ae2048c03d58ec">statevec_controlledPauliYDistributed</a></div><div class="ttdeci">void statevec_controlledPauliYDistributed(Qureg qureg, int controlQubit, ComplexArray stateVecIn, ComplexArray stateVecOut, int conjFac)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02830">QuEST_cpu.c:2830</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a27294e3065ebe42a65b3b9e0f85551dd"><div class="ttname"><a href="QuEST__cpu_8c.html#a27294e3065ebe42a65b3b9e0f85551dd">statevec_applyDiagonalOp</a></div><div class="ttdeci">void statevec_applyDiagonalOp(Qureg qureg, DiagonalOp op)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03661">QuEST_cpu.c:3661</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a215e2d6f88dbecc0b408b3573b5e144f"><div class="ttname"><a href="QuEST__cpu_8c.html#a215e2d6f88dbecc0b408b3573b5e144f">statevec_controlledCompactUnitaryLocal</a></div><div class="ttdeci">void statevec_controlledCompactUnitaryLocal(Qureg qureg, int controlQubit, int targetQubit, Complex alpha, Complex beta)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02101">QuEST_cpu.c:2101</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a6fbb3b693f25dde1e9e3dc87dc1984f7"><div class="ttname"><a href="QuEST__cpu_8c.html#a6fbb3b693f25dde1e9e3dc87dc1984f7">statevec_calcInnerProductLocal</a></div><div class="ttdeci">Complex statevec_calcInnerProductLocal(Qureg bra, Qureg ket)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01071">QuEST_cpu.c:1071</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a535cc3c9962d511078691e4d64b4e272"><div class="ttname"><a href="QuEST__cpu_8c.html#a535cc3c9962d511078691e4d64b4e272">statevec_phaseShiftByTerm</a></div><div class="ttdeci">void statevec_phaseShiftByTerm(Qureg qureg, int targetQubit, Complex term)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02978">QuEST_cpu.c:2978</a></div></div>
<div class="ttc" id="astructComplexMatrix2_html"><div class="ttname"><a href="structComplexMatrix2.html">ComplexMatrix2</a></div><div class="ttdoc">Represents a 2x2 matrix of complex numbers.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00114">QuEST.h:114</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ac5168399122f7f53977dcc9ceda4f458"><div class="ttname"><a href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a></div><div class="ttdeci">void zeroSomeAmps(Qureg qureg, long long int startInd, long long int numAmps)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00734">QuEST_cpu.c:734</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a0b84e6766bd682708e6211276ff0a5bb"><div class="ttname"><a href="QuEST__cpu_8c.html#a0b84e6766bd682708e6211276ff0a5bb">agnostic_createDiagonalOp</a></div><div class="ttdeci">DiagonalOp agnostic_createDiagonalOp(int numQubits, QuESTEnv env)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01335">QuEST_cpu.c:1335</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a7772f97cb4d92a9825bf3b7c82c3230c"><div class="ttname"><a href="QuEST__cpu_8c.html#a7772f97cb4d92a9825bf3b7c82c3230c">densmatr_calcFidelityLocal</a></div><div class="ttdeci">qreal densmatr_calcFidelityLocal(Qureg qureg, Qureg pureState)</div><div class="ttdoc">computes a few dens-columns-worth of (vec^*T) dens * vec</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00990">QuEST_cpu.c:990</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a8535bc15c2ff249ddddb3fde6eff1490"><div class="ttname"><a href="QuEST__cpu_8c.html#a8535bc15c2ff249ddddb3fde6eff1490">statevec_findProbabilityOfZeroLocal</a></div><div class="ttdeci">qreal statevec_findProbabilityOfZeroLocal(Qureg qureg, int measureQubit)</div><div class="ttdoc">Measure the total probability of a specified qubit being in the zero state across all amplitudes in t...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03206">QuEST_cpu.c:3206</a></div></div>
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